Home / 25,844.48-38,761.68-7,119.68

Finding the Fourth Proportional to 25,844.48, 38,761.68 and 7,119.68

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Solution

The fourth proportional to 25,844.48, 38,761.68 and 7,119.68 is: 10,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,844.48 : 38,761.68 = 7,119.68 : x
  2. Step 2: Convert to fraction form
    25,844.48/38,761.68 = 7,119.68/x
  3. Step 3: Cross multiply
    25,844.48x = 38,761.68 × 7,119.68
  4. Step 4: Simplify right side
    25,844.48x = 275,970,757.86
  5. Step 5: Solve for x
    x = 275,970,757.86/25,844.48
  6. Step 6: Final answer
    x = 10,678.13

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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.