Home / 16,121.91-24,180.13-7,354.78

Finding the Fourth Proportional to 16,121.91, 24,180.13 and 7,354.78

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Solution

The fourth proportional to 16,121.91, 24,180.13 and 7,354.78 is: 11,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.91 : 24,180.13 = 7,354.78 : x
  2. Step 2: Convert to fraction form
    16,121.91/24,180.13 = 7,354.78/x
  3. Step 3: Cross multiply
    16,121.91x = 24,180.13 × 7,354.78
  4. Step 4: Simplify right side
    16,121.91x = 177,839,485.26
  5. Step 5: Solve for x
    x = 177,839,485.26/16,121.91
  6. Step 6: Final answer
    x = 11,030.92

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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.