Home / 23,192.68-32,006.12-13,121.20

Finding the Fourth Proportional to 23,192.68, 32,006.12 and 13,121.20

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Solution

The fourth proportional to 23,192.68, 32,006.12 and 13,121.20 is: 18,107.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,192.68 : 32,006.12 = 13,121.20 : x
  2. Step 2: Convert to fraction form
    23,192.68/32,006.12 = 13,121.20/x
  3. Step 3: Cross multiply
    23,192.68x = 32,006.12 × 13,121.20
  4. Step 4: Simplify right side
    23,192.68x = 419,958,701.74
  5. Step 5: Solve for x
    x = 419,958,701.74/23,192.68
  6. Step 6: Final answer
    x = 18,107.38

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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.