Home / 15,186.25-22,791.12-10,538.88

Finding the Fourth Proportional to 15,186.25, 22,791.12 and 10,538.88

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Solution

The fourth proportional to 15,186.25, 22,791.12 and 10,538.88 is: 15,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,186.25 : 22,791.12 = 10,538.88 : x
  2. Step 2: Convert to fraction form
    15,186.25/22,791.12 = 10,538.88/x
  3. Step 3: Cross multiply
    15,186.25x = 22,791.12 × 10,538.88
  4. Step 4: Simplify right side
    15,186.25x = 240,192,878.75
  5. Step 5: Solve for x
    x = 240,192,878.75/15,186.25
  6. Step 6: Final answer
    x = 15,816.47

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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.