Home / 14,872.68-20,524.57-8,158.65

Finding the Fourth Proportional to 14,872.68, 20,524.57 and 8,158.65

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Solution

The fourth proportional to 14,872.68, 20,524.57 and 8,158.65 is: 11,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872.68 : 20,524.57 = 8,158.65 : x
  2. Step 2: Convert to fraction form
    14,872.68/20,524.57 = 8,158.65/x
  3. Step 3: Cross multiply
    14,872.68x = 20,524.57 × 8,158.65
  4. Step 4: Simplify right side
    14,872.68x = 167,452,793.23
  5. Step 5: Solve for x
    x = 167,452,793.23/14,872.68
  6. Step 6: Final answer
    x = 11,259.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.