Home / 21,599.20-32,318.00-15,373.54

Finding the Fourth Proportional to 21,599.20, 32,318.00 and 15,373.54

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Solution

The fourth proportional to 21,599.20, 32,318.00 and 15,373.54 is: 23,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,599.20 : 32,318.00 = 15,373.54 : x
  2. Step 2: Convert to fraction form
    21,599.20/32,318.00 = 15,373.54/x
  3. Step 3: Cross multiply
    21,599.20x = 32,318.00 × 15,373.54
  4. Step 4: Simplify right side
    21,599.20x = 496,841,827.26
  5. Step 5: Solve for x
    x = 496,841,827.26/21,599.20
  6. Step 6: Final answer
    x = 23,002.79

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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.