Home / 22,926.64-31,640.68-12,854.92

Finding the Fourth Proportional to 22,926.64, 31,640.68 and 12,854.92

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Solution

The fourth proportional to 22,926.64, 31,640.68 and 12,854.92 is: 17,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,926.64 : 31,640.68 = 12,854.92 : x
  2. Step 2: Convert to fraction form
    22,926.64/31,640.68 = 12,854.92/x
  3. Step 3: Cross multiply
    22,926.64x = 31,640.68 × 12,854.92
  4. Step 4: Simplify right side
    22,926.64x = 406,738,410.15
  5. Step 5: Solve for x
    x = 406,738,410.15/22,926.64
  6. Step 6: Final answer
    x = 17,740.86

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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.