Home / 25,129.97-34,678.73-13,951.25

Finding the Fourth Proportional to 25,129.97, 34,678.73 and 13,951.25

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Solution

The fourth proportional to 25,129.97, 34,678.73 and 13,951.25 is: 19,252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129.97 : 34,678.73 = 13,951.25 : x
  2. Step 2: Convert to fraction form
    25,129.97/34,678.73 = 13,951.25/x
  3. Step 3: Cross multiply
    25,129.97x = 34,678.73 × 13,951.25
  4. Step 4: Simplify right side
    25,129.97x = 483,811,562.16
  5. Step 5: Solve for x
    x = 483,811,562.16/25,129.97
  6. Step 6: Final answer
    x = 19,252.37

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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.