Home / 22,726.08-31,361.76-12,654.40

Finding the Fourth Proportional to 22,726.08, 31,361.76 and 12,654.40

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Solution

The fourth proportional to 22,726.08, 31,361.76 and 12,654.40 is: 17,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,726.08 : 31,361.76 = 12,654.40 : x
  2. Step 2: Convert to fraction form
    22,726.08/31,361.76 = 12,654.40/x
  3. Step 3: Cross multiply
    22,726.08x = 31,361.76 × 12,654.40
  4. Step 4: Simplify right side
    22,726.08x = 396,864,255.74
  5. Step 5: Solve for x
    x = 396,864,255.74/22,726.08
  6. Step 6: Final answer
    x = 17,462.94

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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.