Home / 25,542.56-38,321.67-13,071.45

Finding the Fourth Proportional to 25,542.56, 38,321.67 and 13,071.45

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Solution

The fourth proportional to 25,542.56, 38,321.67 and 13,071.45 is: 19,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,542.56 : 38,321.67 = 13,071.45 : x
  2. Step 2: Convert to fraction form
    25,542.56/38,321.67 = 13,071.45/x
  3. Step 3: Cross multiply
    25,542.56x = 38,321.67 × 13,071.45
  4. Step 4: Simplify right side
    25,542.56x = 500,919,793.32
  5. Step 5: Solve for x
    x = 500,919,793.32/25,542.56
  6. Step 6: Final answer
    x = 19,611.18

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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.