Home / 25,542.72-38,305.80-9,311.48

Finding the Fourth Proportional to 25,542.72, 38,305.80 and 9,311.48

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Solution

The fourth proportional to 25,542.72, 38,305.80 and 9,311.48 is: 13,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,542.72 : 38,305.80 = 9,311.48 : x
  2. Step 2: Convert to fraction form
    25,542.72/38,305.80 = 9,311.48/x
  3. Step 3: Cross multiply
    25,542.72x = 38,305.80 × 9,311.48
  4. Step 4: Simplify right side
    25,542.72x = 356,683,690.58
  5. Step 5: Solve for x
    x = 356,683,690.58/25,542.72
  6. Step 6: Final answer
    x = 13,964.20

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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.