Home / 25,084.80-34,616.16-13,906.08

Finding the Fourth Proportional to 25,084.80, 34,616.16 and 13,906.08

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Solution

The fourth proportional to 25,084.80, 34,616.16 and 13,906.08 is: 19,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,084.80 : 34,616.16 = 13,906.08 : x
  2. Step 2: Convert to fraction form
    25,084.80/34,616.16 = 13,906.08/x
  3. Step 3: Cross multiply
    25,084.80x = 34,616.16 × 13,906.08
  4. Step 4: Simplify right side
    25,084.80x = 481,375,090.25
  5. Step 5: Solve for x
    x = 481,375,090.25/25,084.80
  6. Step 6: Final answer
    x = 19,189.91

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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.