Home / 38,442.20-57,663.68-13,482.86

Finding the Fourth Proportional to 38,442.20, 57,663.68 and 13,482.86

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Solution

The fourth proportional to 38,442.20, 57,663.68 and 13,482.86 is: 20,224.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,442.20 : 57,663.68 = 13,482.86 : x
  2. Step 2: Convert to fraction form
    38,442.20/57,663.68 = 13,482.86/x
  3. Step 3: Cross multiply
    38,442.20x = 57,663.68 × 13,482.86
  4. Step 4: Simplify right side
    38,442.20x = 777,470,968.79
  5. Step 5: Solve for x
    x = 777,470,968.79/38,442.20
  6. Step 6: Final answer
    x = 20,224.42

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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.