Home / 16,311.12-24,507.68-10,390.66

Finding the Fourth Proportional to 16,311.12, 24,507.68 and 10,390.66

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Solution

The fourth proportional to 16,311.12, 24,507.68 and 10,390.66 is: 15,612.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,311.12 : 24,507.68 = 10,390.66 : x
  2. Step 2: Convert to fraction form
    16,311.12/24,507.68 = 10,390.66/x
  3. Step 3: Cross multiply
    16,311.12x = 24,507.68 × 10,390.66
  4. Step 4: Simplify right side
    16,311.12x = 254,651,053.35
  5. Step 5: Solve for x
    x = 254,651,053.35/16,311.12
  6. Step 6: Final answer
    x = 15,612.12

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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.