Home / 25,687.07-38,552.47-10,115.63

Finding the Fourth Proportional to 25,687.07, 38,552.47 and 10,115.63

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Solution

The fourth proportional to 25,687.07, 38,552.47 and 10,115.63 is: 15,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687.07 : 38,552.47 = 10,115.63 : x
  2. Step 2: Convert to fraction form
    25,687.07/38,552.47 = 10,115.63/x
  3. Step 3: Cross multiply
    25,687.07x = 38,552.47 × 10,115.63
  4. Step 4: Simplify right side
    25,687.07x = 389,982,304.05
  5. Step 5: Solve for x
    x = 389,982,304.05/25,687.07
  6. Step 6: Final answer
    x = 15,182.05

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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.