Home / 42,951.26-64,432.95-13,372.08

Finding the Fourth Proportional to 42,951.26, 64,432.95 and 13,372.08

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Solution

The fourth proportional to 42,951.26, 64,432.95 and 13,372.08 is: 20,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,951.26 : 64,432.95 = 13,372.08 : x
  2. Step 2: Convert to fraction form
    42,951.26/64,432.95 = 13,372.08/x
  3. Step 3: Cross multiply
    42,951.26x = 64,432.95 × 13,372.08
  4. Step 4: Simplify right side
    42,951.26x = 861,602,562.04
  5. Step 5: Solve for x
    x = 861,602,562.04/42,951.26
  6. Step 6: Final answer
    x = 20,060.01

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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.