Home / 38,010.18-57,009.84-13,049.76

Finding the Fourth Proportional to 38,010.18, 57,009.84 and 13,049.76

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Solution

The fourth proportional to 38,010.18, 57,009.84 and 13,049.76 is: 19,572.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010.18 : 57,009.84 = 13,049.76 : x
  2. Step 2: Convert to fraction form
    38,010.18/57,009.84 = 13,049.76/x
  3. Step 3: Cross multiply
    38,010.18x = 57,009.84 × 13,049.76
  4. Step 4: Simplify right side
    38,010.18x = 743,964,729.64
  5. Step 5: Solve for x
    x = 743,964,729.64/38,010.18
  6. Step 6: Final answer
    x = 19,572.78

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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.