Home / 22,717.17-31,350.39-12,369.60

Finding the Fourth Proportional to 22,717.17, 31,350.39 and 12,369.60

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Solution

The fourth proportional to 22,717.17, 31,350.39 and 12,369.60 is: 17,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,717.17 : 31,350.39 = 12,369.60 : x
  2. Step 2: Convert to fraction form
    22,717.17/31,350.39 = 12,369.60/x
  3. Step 3: Cross multiply
    22,717.17x = 31,350.39 × 12,369.60
  4. Step 4: Simplify right side
    22,717.17x = 387,791,684.97
  5. Step 5: Solve for x
    x = 387,791,684.97/22,717.17
  6. Step 6: Final answer
    x = 17,070.43

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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.