Home / 25,669.28-38,504.07-7,899.74

Finding the Fourth Proportional to 25,669.28, 38,504.07 and 7,899.74

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Solution

The fourth proportional to 25,669.28, 38,504.07 and 7,899.74 is: 11,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.28 : 38,504.07 = 7,899.74 : x
  2. Step 2: Convert to fraction form
    25,669.28/38,504.07 = 7,899.74/x
  3. Step 3: Cross multiply
    25,669.28x = 38,504.07 × 7,899.74
  4. Step 4: Simplify right side
    25,669.28x = 304,171,949.42
  5. Step 5: Solve for x
    x = 304,171,949.42/25,669.28
  6. Step 6: Final answer
    x = 11,849.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.