Home / 17,012.76-23,478.39-9,459.21

Finding the Fourth Proportional to 17,012.76, 23,478.39 and 9,459.21

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Solution

The fourth proportional to 17,012.76, 23,478.39 and 9,459.21 is: 13,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,012.76 : 23,478.39 = 9,459.21 : x
  2. Step 2: Convert to fraction form
    17,012.76/23,478.39 = 9,459.21/x
  3. Step 3: Cross multiply
    17,012.76x = 23,478.39 × 9,459.21
  4. Step 4: Simplify right side
    17,012.76x = 222,087,021.47
  5. Step 5: Solve for x
    x = 222,087,021.47/17,012.76
  6. Step 6: Final answer
    x = 13,054.14

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Double scale
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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.