Home / 15,532.01-21,433.44-8,816.75

Finding the Fourth Proportional to 15,532.01, 21,433.44 and 8,816.75

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Solution

The fourth proportional to 15,532.01, 21,433.44 and 8,816.75 is: 12,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,532.01 : 21,433.44 = 8,816.75 : x
  2. Step 2: Convert to fraction form
    15,532.01/21,433.44 = 8,816.75/x
  3. Step 3: Cross multiply
    15,532.01x = 21,433.44 × 8,816.75
  4. Step 4: Simplify right side
    15,532.01x = 188,973,282.12
  5. Step 5: Solve for x
    x = 188,973,282.12/15,532.01
  6. Step 6: Final answer
    x = 12,166.70

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Half scale
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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.