Home / 16,881.72-25,331.22-7,646.52

Finding the Fourth Proportional to 16,881.72, 25,331.22 and 7,646.52

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Solution

The fourth proportional to 16,881.72, 25,331.22 and 7,646.52 is: 11,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.72 : 25,331.22 = 7,646.52 : x
  2. Step 2: Convert to fraction form
    16,881.72/25,331.22 = 7,646.52/x
  3. Step 3: Cross multiply
    16,881.72x = 25,331.22 × 7,646.52
  4. Step 4: Simplify right side
    16,881.72x = 193,695,680.35
  5. Step 5: Solve for x
    x = 193,695,680.35/16,881.72
  6. Step 6: Final answer
    x = 11,473.69

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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.