Home / 25,073.79-34,601.69-13,743.76

Finding the Fourth Proportional to 25,073.79, 34,601.69 and 13,743.76

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Solution

The fourth proportional to 25,073.79, 34,601.69 and 13,743.76 is: 18,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,073.79 : 34,601.69 = 13,743.76 : x
  2. Step 2: Convert to fraction form
    25,073.79/34,601.69 = 13,743.76/x
  3. Step 3: Cross multiply
    25,073.79x = 34,601.69 × 13,743.76
  4. Step 4: Simplify right side
    25,073.79x = 475,557,322.95
  5. Step 5: Solve for x
    x = 475,557,322.95/25,073.79
  6. Step 6: Final answer
    x = 18,966.31

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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.