Home / 22,685.48-31,305.24-12,614.12

Finding the Fourth Proportional to 22,685.48, 31,305.24 and 12,614.12

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Solution

The fourth proportional to 22,685.48, 31,305.24 and 12,614.12 is: 17,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,685.48 : 31,305.24 = 12,614.12 : x
  2. Step 2: Convert to fraction form
    22,685.48/31,305.24 = 12,614.12/x
  3. Step 3: Cross multiply
    22,685.48x = 31,305.24 × 12,614.12
  4. Step 4: Simplify right side
    22,685.48x = 394,887,897.46
  5. Step 5: Solve for x
    x = 394,887,897.46/22,685.48
  6. Step 6: Final answer
    x = 17,407.08

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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.