Home / 38,355.68-57,532.15-13,395.63

Finding the Fourth Proportional to 38,355.68, 57,532.15 and 13,395.63

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Solution

The fourth proportional to 38,355.68, 57,532.15 and 13,395.63 is: 20,092.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,355.68 : 57,532.15 = 13,395.63 : x
  2. Step 2: Convert to fraction form
    38,355.68/57,532.15 = 13,395.63/x
  3. Step 3: Cross multiply
    38,355.68x = 57,532.15 × 13,395.63
  4. Step 4: Simplify right side
    38,355.68x = 770,679,394.50
  5. Step 5: Solve for x
    x = 770,679,394.50/38,355.68
  6. Step 6: Final answer
    x = 20,092.97

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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.