Home / 22,686.64-31,305.75-12,614.29

Finding the Fourth Proportional to 22,686.64, 31,305.75 and 12,614.29

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Solution

The fourth proportional to 22,686.64, 31,305.75 and 12,614.29 is: 17,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,686.64 : 31,305.75 = 12,614.29 : x
  2. Step 2: Convert to fraction form
    22,686.64/31,305.75 = 12,614.29/x
  3. Step 3: Cross multiply
    22,686.64x = 31,305.75 × 12,614.29
  4. Step 4: Simplify right side
    22,686.64x = 394,899,809.17
  5. Step 5: Solve for x
    x = 394,899,809.17/22,686.64
  6. Step 6: Final answer
    x = 17,406.71

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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.