Home / 25,084.80-34,617.12-13,754.47

Finding the Fourth Proportional to 25,084.80, 34,617.12 and 13,754.47

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Solution

The fourth proportional to 25,084.80, 34,617.12 and 13,754.47 is: 18,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,084.80 : 34,617.12 = 13,754.47 : x
  2. Step 2: Convert to fraction form
    25,084.80/34,617.12 = 13,754.47/x
  3. Step 3: Cross multiply
    25,084.80x = 34,617.12 × 13,754.47
  4. Step 4: Simplify right side
    25,084.80x = 476,140,138.53
  5. Step 5: Solve for x
    x = 476,140,138.53/25,084.80
  6. Step 6: Final answer
    x = 18,981.22

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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.