Home / 25,155.97-34,712.98-13,825.34

Finding the Fourth Proportional to 25,155.97, 34,712.98 and 13,825.34

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Solution

The fourth proportional to 25,155.97, 34,712.98 and 13,825.34 is: 19,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.97 : 34,712.98 = 13,825.34 : x
  2. Step 2: Convert to fraction form
    25,155.97/34,712.98 = 13,825.34/x
  3. Step 3: Cross multiply
    25,155.97x = 34,712.98 × 13,825.34
  4. Step 4: Simplify right side
    25,155.97x = 479,918,681.79
  5. Step 5: Solve for x
    x = 479,918,681.79/25,155.97
  6. Step 6: Final answer
    x = 19,077.73

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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.