Home / 25,571.28-35,286.12-14,239.92

Finding the Fourth Proportional to 25,571.28, 35,286.12 and 14,239.92

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Solution

The fourth proportional to 25,571.28, 35,286.12 and 14,239.92 is: 19,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.28 : 35,286.12 = 14,239.92 : x
  2. Step 2: Convert to fraction form
    25,571.28/35,286.12 = 14,239.92/x
  3. Step 3: Cross multiply
    25,571.28x = 35,286.12 × 14,239.92
  4. Step 4: Simplify right side
    25,571.28x = 502,471,525.91
  5. Step 5: Solve for x
    x = 502,471,525.91/25,571.28
  6. Step 6: Final answer
    x = 19,649.84

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Double scale
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Similar ratio
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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.