Home / 25,170.12-34,734.02-13,839.60

Finding the Fourth Proportional to 25,170.12, 34,734.02 and 13,839.60

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Solution

The fourth proportional to 25,170.12, 34,734.02 and 13,839.60 is: 19,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.12 : 34,734.02 = 13,839.60 : x
  2. Step 2: Convert to fraction form
    25,170.12/34,734.02 = 13,839.60/x
  3. Step 3: Cross multiply
    25,170.12x = 34,734.02 × 13,839.60
  4. Step 4: Simplify right side
    25,170.12x = 480,704,943.19
  5. Step 5: Solve for x
    x = 480,704,943.19/25,170.12
  6. Step 6: Final answer
    x = 19,098.24

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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.