Home / 12,934.45-19,376.13-10,147.24

Finding the Fourth Proportional to 12,934.45, 19,376.13 and 10,147.24

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Solution

The fourth proportional to 12,934.45, 19,376.13 and 10,147.24 is: 15,200.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.45 : 19,376.13 = 10,147.24 : x
  2. Step 2: Convert to fraction form
    12,934.45/19,376.13 = 10,147.24/x
  3. Step 3: Cross multiply
    12,934.45x = 19,376.13 × 10,147.24
  4. Step 4: Simplify right side
    12,934.45x = 196,614,241.38
  5. Step 5: Solve for x
    x = 196,614,241.38/12,934.45
  6. Step 6: Final answer
    x = 15,200.82

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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.