Home / 16,672.40-25,002.72-7,316.96

Finding the Fourth Proportional to 16,672.40, 25,002.72 and 7,316.96

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Solution

The fourth proportional to 16,672.40, 25,002.72 and 7,316.96 is: 10,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.40 : 25,002.72 = 7,316.96 : x
  2. Step 2: Convert to fraction form
    16,672.40/25,002.72 = 7,316.96/x
  3. Step 3: Cross multiply
    16,672.40x = 25,002.72 × 7,316.96
  4. Step 4: Simplify right side
    16,672.40x = 182,943,902.13
  5. Step 5: Solve for x
    x = 182,943,902.13/16,672.40
  6. Step 6: Final answer
    x = 10,972.86

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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.