Home / 25,654.25-35,407.68-15,043.88

Finding the Fourth Proportional to 25,654.25, 35,407.68 and 15,043.88

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Solution

The fourth proportional to 25,654.25, 35,407.68 and 15,043.88 is: 20,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654.25 : 35,407.68 = 15,043.88 : x
  2. Step 2: Convert to fraction form
    25,654.25/35,407.68 = 15,043.88/x
  3. Step 3: Cross multiply
    25,654.25x = 35,407.68 × 15,043.88
  4. Step 4: Simplify right side
    25,654.25x = 532,668,889.00
  5. Step 5: Solve for x
    x = 532,668,889.00/25,654.25
  6. Step 6: Final answer
    x = 20,763.38

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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.