Home / 42,414.14-63,622.13-12,831.93

Finding the Fourth Proportional to 42,414.14, 63,622.13 and 12,831.93

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Solution

The fourth proportional to 42,414.14, 63,622.13 and 12,831.93 is: 19,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,414.14 : 63,622.13 = 12,831.93 : x
  2. Step 2: Convert to fraction form
    42,414.14/63,622.13 = 12,831.93/x
  3. Step 3: Cross multiply
    42,414.14x = 63,622.13 × 12,831.93
  4. Step 4: Simplify right side
    42,414.14x = 816,394,654.45
  5. Step 5: Solve for x
    x = 816,394,654.45/42,414.14
  6. Step 6: Final answer
    x = 19,248.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.