Home / 18,079.70-24,950.52-10,121.85

Finding the Fourth Proportional to 18,079.70, 24,950.52 and 10,121.85

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Solution

The fourth proportional to 18,079.70, 24,950.52 and 10,121.85 is: 13,968.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.70 : 24,950.52 = 10,121.85 : x
  2. Step 2: Convert to fraction form
    18,079.70/24,950.52 = 10,121.85/x
  3. Step 3: Cross multiply
    18,079.70x = 24,950.52 × 10,121.85
  4. Step 4: Simplify right side
    18,079.70x = 252,545,420.86
  5. Step 5: Solve for x
    x = 252,545,420.86/18,079.70
  6. Step 6: Final answer
    x = 13,968.46

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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.