Home / 25,072.90-34,599.85-13,742.15

Finding the Fourth Proportional to 25,072.90, 34,599.85 and 13,742.15

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Solution

The fourth proportional to 25,072.90, 34,599.85 and 13,742.15 is: 18,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,072.90 : 34,599.85 = 13,742.15 : x
  2. Step 2: Convert to fraction form
    25,072.90/34,599.85 = 13,742.15/x
  3. Step 3: Cross multiply
    25,072.90x = 34,599.85 × 13,742.15
  4. Step 4: Simplify right side
    25,072.90x = 475,476,328.68
  5. Step 5: Solve for x
    x = 475,476,328.68/25,072.90
  6. Step 6: Final answer
    x = 18,963.75

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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.