Home / 22,685.16-31,294.62-14,729.88

Finding the Fourth Proportional to 22,685.16, 31,294.62 and 14,729.88

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Solution

The fourth proportional to 22,685.16, 31,294.62 and 14,729.88 is: 20,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,685.16 : 31,294.62 = 14,729.88 : x
  2. Step 2: Convert to fraction form
    22,685.16/31,294.62 = 14,729.88/x
  3. Step 3: Cross multiply
    22,685.16x = 31,294.62 × 14,729.88
  4. Step 4: Simplify right side
    22,685.16x = 460,965,997.25
  5. Step 5: Solve for x
    x = 460,965,997.25/22,685.16
  6. Step 6: Final answer
    x = 20,320.16

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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.