Home / 22,486.47-31,031.45-12,414.72

Finding the Fourth Proportional to 22,486.47, 31,031.45 and 12,414.72

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Solution

The fourth proportional to 22,486.47, 31,031.45 and 12,414.72 is: 17,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.47 : 31,031.45 = 12,414.72 : x
  2. Step 2: Convert to fraction form
    22,486.47/31,031.45 = 12,414.72/x
  3. Step 3: Cross multiply
    22,486.47x = 31,031.45 × 12,414.72
  4. Step 4: Simplify right side
    22,486.47x = 385,246,700.87
  5. Step 5: Solve for x
    x = 385,246,700.87/22,486.47
  6. Step 6: Final answer
    x = 17,132.38

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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.