Home / 18,079.68-24,950.72-10,121.92

Finding the Fourth Proportional to 18,079.68, 24,950.72 and 10,121.92

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Solution

The fourth proportional to 18,079.68, 24,950.72 and 10,121.92 is: 13,968.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.68 : 24,950.72 = 10,121.92 : x
  2. Step 2: Convert to fraction form
    18,079.68/24,950.72 = 10,121.92/x
  3. Step 3: Cross multiply
    18,079.68x = 24,950.72 × 10,121.92
  4. Step 4: Simplify right side
    18,079.68x = 252,549,191.78
  5. Step 5: Solve for x
    x = 252,549,191.78/18,079.68
  6. Step 6: Final answer
    x = 13,968.68

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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.