Home / 15,134.38-22,720.47-10,225.78

Finding the Fourth Proportional to 15,134.38, 22,720.47 and 10,225.78

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Solution

The fourth proportional to 15,134.38, 22,720.47 and 10,225.78 is: 15,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.38 : 22,720.47 = 10,225.78 : x
  2. Step 2: Convert to fraction form
    15,134.38/22,720.47 = 10,225.78/x
  3. Step 3: Cross multiply
    15,134.38x = 22,720.47 × 10,225.78
  4. Step 4: Simplify right side
    15,134.38x = 232,334,527.72
  5. Step 5: Solve for x
    x = 232,334,527.72/15,134.38
  6. Step 6: Final answer
    x = 15,351.44

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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.