Home / 16,542.72-22,830.92-9,471.42

Finding the Fourth Proportional to 16,542.72, 22,830.92 and 9,471.42

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Solution

The fourth proportional to 16,542.72, 22,830.92 and 9,471.42 is: 13,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,542.72 : 22,830.92 = 9,471.42 : x
  2. Step 2: Convert to fraction form
    16,542.72/22,830.92 = 9,471.42/x
  3. Step 3: Cross multiply
    16,542.72x = 22,830.92 × 9,471.42
  4. Step 4: Simplify right side
    16,542.72x = 216,241,232.31
  5. Step 5: Solve for x
    x = 216,241,232.31/16,542.72
  6. Step 6: Final answer
    x = 13,071.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.