Home / 16,721.56-25,074.42-5,031.64

Finding the Fourth Proportional to 16,721.56, 25,074.42 and 5,031.64

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Solution

The fourth proportional to 16,721.56, 25,074.42 and 5,031.64 is: 7,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.56 : 25,074.42 = 5,031.64 : x
  2. Step 2: Convert to fraction form
    16,721.56/25,074.42 = 5,031.64/x
  3. Step 3: Cross multiply
    16,721.56x = 25,074.42 × 5,031.64
  4. Step 4: Simplify right side
    16,721.56x = 126,165,454.65
  5. Step 5: Solve for x
    x = 126,165,454.65/16,721.56
  6. Step 6: Final answer
    x = 7,545.08

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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.