Home / 15,565.20-23,311.35-9,660.30

Finding the Fourth Proportional to 15,565.20, 23,311.35 and 9,660.30

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Solution

The fourth proportional to 15,565.20, 23,311.35 and 9,660.30 is: 14,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565.20 : 23,311.35 = 9,660.30 : x
  2. Step 2: Convert to fraction form
    15,565.20/23,311.35 = 9,660.30/x
  3. Step 3: Cross multiply
    15,565.20x = 23,311.35 × 9,660.30
  4. Step 4: Simplify right side
    15,565.20x = 225,194,634.41
  5. Step 5: Solve for x
    x = 225,194,634.41/15,565.20
  6. Step 6: Final answer
    x = 14,467.83

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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.