Home / 16,372.72-24,538.40-7,001.60

Finding the Fourth Proportional to 16,372.72, 24,538.40 and 7,001.60

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Solution

The fourth proportional to 16,372.72, 24,538.40 and 7,001.60 is: 10,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,372.72 : 24,538.40 = 7,001.60 : x
  2. Step 2: Convert to fraction form
    16,372.72/24,538.40 = 7,001.60/x
  3. Step 3: Cross multiply
    16,372.72x = 24,538.40 × 7,001.60
  4. Step 4: Simplify right side
    16,372.72x = 171,808,061.44
  5. Step 5: Solve for x
    x = 171,808,061.44/16,372.72
  6. Step 6: Final answer
    x = 10,493.56

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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.