Home / 26,278.02-39,419.73-8,743.14

Finding the Fourth Proportional to 26,278.02, 39,419.73 and 8,743.14

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Solution

The fourth proportional to 26,278.02, 39,419.73 and 8,743.14 is: 13,115.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.02 : 39,419.73 = 8,743.14 : x
  2. Step 2: Convert to fraction form
    26,278.02/39,419.73 = 8,743.14/x
  3. Step 3: Cross multiply
    26,278.02x = 39,419.73 × 8,743.14
  4. Step 4: Simplify right side
    26,278.02x = 344,652,218.15
  5. Step 5: Solve for x
    x = 344,652,218.15/26,278.02
  6. Step 6: Final answer
    x = 13,115.61

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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.