Home / 25,072.97-34,600.16-13,742.20

Finding the Fourth Proportional to 25,072.97, 34,600.16 and 13,742.20

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Solution

The fourth proportional to 25,072.97, 34,600.16 and 13,742.20 is: 18,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,072.97 : 34,600.16 = 13,742.20 : x
  2. Step 2: Convert to fraction form
    25,072.97/34,600.16 = 13,742.20/x
  3. Step 3: Cross multiply
    25,072.97x = 34,600.16 × 13,742.20
  4. Step 4: Simplify right side
    25,072.97x = 475,482,077.04
  5. Step 5: Solve for x
    x = 475,482,077.04/25,072.97
  6. Step 6: Final answer
    x = 18,963.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.