Home / 25,791.48-38,706.12-10,213.56

Finding the Fourth Proportional to 25,791.48, 38,706.12 and 10,213.56

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Solution

The fourth proportional to 25,791.48, 38,706.12 and 10,213.56 is: 15,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,791.48 : 38,706.12 = 10,213.56 : x
  2. Step 2: Convert to fraction form
    25,791.48/38,706.12 = 10,213.56/x
  3. Step 3: Cross multiply
    25,791.48x = 38,706.12 × 10,213.56
  4. Step 4: Simplify right side
    25,791.48x = 395,327,278.99
  5. Step 5: Solve for x
    x = 395,327,278.99/25,791.48
  6. Step 6: Final answer
    x = 15,327.82

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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.