Home / 18,062.15-24,929.67-10,990.85

Finding the Fourth Proportional to 18,062.15, 24,929.67 and 10,990.85

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Solution

The fourth proportional to 18,062.15, 24,929.67 and 10,990.85 is: 15,169.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.15 : 24,929.67 = 10,990.85 : x
  2. Step 2: Convert to fraction form
    18,062.15/24,929.67 = 10,990.85/x
  3. Step 3: Cross multiply
    18,062.15x = 24,929.67 × 10,990.85
  4. Step 4: Simplify right side
    18,062.15x = 273,998,263.52
  5. Step 5: Solve for x
    x = 273,998,263.52/18,062.15
  6. Step 6: Final answer
    x = 15,169.75

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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.