Home / 22,926.92-31,639.50-12,717.89

Finding the Fourth Proportional to 22,926.92, 31,639.50 and 12,717.89

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Solution

The fourth proportional to 22,926.92, 31,639.50 and 12,717.89 is: 17,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,926.92 : 31,639.50 = 12,717.89 : x
  2. Step 2: Convert to fraction form
    22,926.92/31,639.50 = 12,717.89/x
  3. Step 3: Cross multiply
    22,926.92x = 31,639.50 × 12,717.89
  4. Step 4: Simplify right side
    22,926.92x = 402,387,522.46
  5. Step 5: Solve for x
    x = 402,387,522.46/22,926.92
  6. Step 6: Final answer
    x = 17,550.87

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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.