Home / 25,975.38-35,857.96-15,218.76

Finding the Fourth Proportional to 25,975.38, 35,857.96 and 15,218.76

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Solution

The fourth proportional to 25,975.38, 35,857.96 and 15,218.76 is: 21,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,975.38 : 35,857.96 = 15,218.76 : x
  2. Step 2: Convert to fraction form
    25,975.38/35,857.96 = 15,218.76/x
  3. Step 3: Cross multiply
    25,975.38x = 35,857.96 × 15,218.76
  4. Step 4: Simplify right side
    25,975.38x = 545,713,687.33
  5. Step 5: Solve for x
    x = 545,713,687.33/25,975.38
  6. Step 6: Final answer
    x = 21,008.88

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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.