Home / 25,767.74-38,657.12-7,998.03

Finding the Fourth Proportional to 25,767.74, 38,657.12 and 7,998.03

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Solution

The fourth proportional to 25,767.74, 38,657.12 and 7,998.03 is: 11,998.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,767.74 : 38,657.12 = 7,998.03 : x
  2. Step 2: Convert to fraction form
    25,767.74/38,657.12 = 7,998.03/x
  3. Step 3: Cross multiply
    25,767.74x = 38,657.12 × 7,998.03
  4. Step 4: Simplify right side
    25,767.74x = 309,180,765.48
  5. Step 5: Solve for x
    x = 309,180,765.48/25,767.74
  6. Step 6: Final answer
    x = 11,998.75

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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.