Home / 15,350.77-21,189.52-9,063.14

Finding the Fourth Proportional to 15,350.77, 21,189.52 and 9,063.14

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Solution

The fourth proportional to 15,350.77, 21,189.52 and 9,063.14 is: 12,510.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350.77 : 21,189.52 = 9,063.14 : x
  2. Step 2: Convert to fraction form
    15,350.77/21,189.52 = 9,063.14/x
  3. Step 3: Cross multiply
    15,350.77x = 21,189.52 × 9,063.14
  4. Step 4: Simplify right side
    15,350.77x = 192,043,636.36
  5. Step 5: Solve for x
    x = 192,043,636.36/15,350.77
  6. Step 6: Final answer
    x = 12,510.36

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Find fourth proportional to 7,675.38, 10,594.76 and 4,531.57
Half scale
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Double scale
Find fourth proportional to 15,351.77, 21,190.90 and 9,064.14
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.