Home / 22,727.17-31,359.76-12,655.36

Finding the Fourth Proportional to 22,727.17, 31,359.76 and 12,655.36

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Solution

The fourth proportional to 22,727.17, 31,359.76 and 12,655.36 is: 17,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,727.17 : 31,359.76 = 12,655.36 : x
  2. Step 2: Convert to fraction form
    22,727.17/31,359.76 = 12,655.36/x
  3. Step 3: Cross multiply
    22,727.17x = 31,359.76 × 12,655.36
  4. Step 4: Simplify right side
    22,727.17x = 396,869,052.31
  5. Step 5: Solve for x
    x = 396,869,052.31/22,727.17
  6. Step 6: Final answer
    x = 17,462.32

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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.