Home / 38,396.18-57,600.35-13,435.62

Finding the Fourth Proportional to 38,396.18, 57,600.35 and 13,435.62

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Solution

The fourth proportional to 38,396.18, 57,600.35 and 13,435.62 is: 20,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,396.18 : 57,600.35 = 13,435.62 : x
  2. Step 2: Convert to fraction form
    38,396.18/57,600.35 = 13,435.62/x
  3. Step 3: Cross multiply
    38,396.18x = 57,600.35 × 13,435.62
  4. Step 4: Simplify right side
    38,396.18x = 773,896,347.29
  5. Step 5: Solve for x
    x = 773,896,347.29/38,396.18
  6. Step 6: Final answer
    x = 20,155.56

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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.