Home / 16,138.10-24,207.15-5,742.56

Finding the Fourth Proportional to 16,138.10, 24,207.15 and 5,742.56

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Solution

The fourth proportional to 16,138.10, 24,207.15 and 5,742.56 is: 8,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.10 : 24,207.15 = 5,742.56 : x
  2. Step 2: Convert to fraction form
    16,138.10/24,207.15 = 5,742.56/x
  3. Step 3: Cross multiply
    16,138.10x = 24,207.15 × 5,742.56
  4. Step 4: Simplify right side
    16,138.10x = 139,011,093.36
  5. Step 5: Solve for x
    x = 139,011,093.36/16,138.10
  6. Step 6: Final answer
    x = 8,613.84

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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.