Home / 20,049.12-30,073.52-15,670.26

Finding the Fourth Proportional to 20,049.12, 30,073.52 and 15,670.26

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Solution

The fourth proportional to 20,049.12, 30,073.52 and 15,670.26 is: 23,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.12 : 30,073.52 = 15,670.26 : x
  2. Step 2: Convert to fraction form
    20,049.12/30,073.52 = 15,670.26/x
  3. Step 3: Cross multiply
    20,049.12x = 30,073.52 × 15,670.26
  4. Step 4: Simplify right side
    20,049.12x = 471,259,877.52
  5. Step 5: Solve for x
    x = 471,259,877.52/20,049.12
  6. Step 6: Final answer
    x = 23,505.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.