Home / 25,293.97-34,905.78-13,963.57

Finding the Fourth Proportional to 25,293.97, 34,905.78 and 13,963.57

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Solution

The fourth proportional to 25,293.97, 34,905.78 and 13,963.57 is: 19,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,293.97 : 34,905.78 = 13,963.57 : x
  2. Step 2: Convert to fraction form
    25,293.97/34,905.78 = 13,963.57/x
  3. Step 3: Cross multiply
    25,293.97x = 34,905.78 × 13,963.57
  4. Step 4: Simplify right side
    25,293.97x = 487,409,302.43
  5. Step 5: Solve for x
    x = 487,409,302.43/25,293.97
  6. Step 6: Final answer
    x = 19,269.78

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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.