Home / 38,258.60-57,370.62-13,635.24

Finding the Fourth Proportional to 38,258.60, 57,370.62 and 13,635.24

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Solution

The fourth proportional to 38,258.60, 57,370.62 and 13,635.24 is: 20,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,258.60 : 57,370.62 = 13,635.24 : x
  2. Step 2: Convert to fraction form
    38,258.60/57,370.62 = 13,635.24/x
  3. Step 3: Cross multiply
    38,258.60x = 57,370.62 × 13,635.24
  4. Step 4: Simplify right side
    38,258.60x = 782,262,172.65
  5. Step 5: Solve for x
    x = 782,262,172.65/38,258.60
  6. Step 6: Final answer
    x = 20,446.70

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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.