Home / 16,228.20-24,342.30-10,687.80

Finding the Fourth Proportional to 16,228.20, 24,342.30 and 10,687.80

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Solution

The fourth proportional to 16,228.20, 24,342.30 and 10,687.80 is: 16,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,228.20 : 24,342.30 = 10,687.80 : x
  2. Step 2: Convert to fraction form
    16,228.20/24,342.30 = 10,687.80/x
  3. Step 3: Cross multiply
    16,228.20x = 24,342.30 × 10,687.80
  4. Step 4: Simplify right side
    16,228.20x = 260,165,633.94
  5. Step 5: Solve for x
    x = 260,165,633.94/16,228.20
  6. Step 6: Final answer
    x = 16,031.70

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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.