Home / 19,557.18-29,328.30-8,462.97

Finding the Fourth Proportional to 19,557.18, 29,328.30 and 8,462.97

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Solution

The fourth proportional to 19,557.18, 29,328.30 and 8,462.97 is: 12,691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.18 : 29,328.30 = 8,462.97 : x
  2. Step 2: Convert to fraction form
    19,557.18/29,328.30 = 8,462.97/x
  3. Step 3: Cross multiply
    19,557.18x = 29,328.30 × 8,462.97
  4. Step 4: Simplify right side
    19,557.18x = 248,204,523.05
  5. Step 5: Solve for x
    x = 248,204,523.05/19,557.18
  6. Step 6: Final answer
    x = 12,691.22

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1.5x scale

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.