Home / 42,007.59-63,024.75-12,425.58

Finding the Fourth Proportional to 42,007.59, 63,024.75 and 12,425.58

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Solution

The fourth proportional to 42,007.59, 63,024.75 and 12,425.58 is: 18,642.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,007.59 : 63,024.75 = 12,425.58 : x
  2. Step 2: Convert to fraction form
    42,007.59/63,024.75 = 12,425.58/x
  3. Step 3: Cross multiply
    42,007.59x = 63,024.75 × 12,425.58
  4. Step 4: Simplify right side
    42,007.59x = 783,119,073.11
  5. Step 5: Solve for x
    x = 783,119,073.11/42,007.59
  6. Step 6: Final answer
    x = 18,642.32

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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.