Home / 15,572.20-23,321.58-11,869.96

Finding the Fourth Proportional to 15,572.20, 23,321.58 and 11,869.96

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Solution

The fourth proportional to 15,572.20, 23,321.58 and 11,869.96 is: 17,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572.20 : 23,321.58 = 11,869.96 : x
  2. Step 2: Convert to fraction form
    15,572.20/23,321.58 = 11,869.96/x
  3. Step 3: Cross multiply
    15,572.20x = 23,321.58 × 11,869.96
  4. Step 4: Simplify right side
    15,572.20x = 276,826,221.74
  5. Step 5: Solve for x
    x = 276,826,221.74/15,572.20
  6. Step 6: Final answer
    x = 17,776.95

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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.