Home / 14,443.20-19,932.54-8,472.69

Finding the Fourth Proportional to 14,443.20, 19,932.54 and 8,472.69

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Solution

The fourth proportional to 14,443.20, 19,932.54 and 8,472.69 is: 11,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.20 : 19,932.54 = 8,472.69 : x
  2. Step 2: Convert to fraction form
    14,443.20/19,932.54 = 8,472.69/x
  3. Step 3: Cross multiply
    14,443.20x = 19,932.54 × 8,472.69
  4. Step 4: Simplify right side
    14,443.20x = 168,882,232.33
  5. Step 5: Solve for x
    x = 168,882,232.33/14,443.20
  6. Step 6: Final answer
    x = 11,692.85

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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.