Home / 25,279.38-37,921.50-7,746.12

Finding the Fourth Proportional to 25,279.38, 37,921.50 and 7,746.12

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Solution

The fourth proportional to 25,279.38, 37,921.50 and 7,746.12 is: 11,619.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.38 : 37,921.50 = 7,746.12 : x
  2. Step 2: Convert to fraction form
    25,279.38/37,921.50 = 7,746.12/x
  3. Step 3: Cross multiply
    25,279.38x = 37,921.50 × 7,746.12
  4. Step 4: Simplify right side
    25,279.38x = 293,744,489.58
  5. Step 5: Solve for x
    x = 293,744,489.58/25,279.38
  6. Step 6: Final answer
    x = 11,619.92

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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.