Home / 15,535.20-23,276.88-10,909.92

Finding the Fourth Proportional to 15,535.20, 23,276.88 and 10,909.92

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Solution

The fourth proportional to 15,535.20, 23,276.88 and 10,909.92 is: 16,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.20 : 23,276.88 = 10,909.92 : x
  2. Step 2: Convert to fraction form
    15,535.20/23,276.88 = 10,909.92/x
  3. Step 3: Cross multiply
    15,535.20x = 23,276.88 × 10,909.92
  4. Step 4: Simplify right side
    15,535.20x = 253,948,898.65
  5. Step 5: Solve for x
    x = 253,948,898.65/15,535.20
  6. Step 6: Final answer
    x = 16,346.68

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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.