Home / 26,129.18-39,218.38-9,505.25

Finding the Fourth Proportional to 26,129.18, 39,218.38 and 9,505.25

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Solution

The fourth proportional to 26,129.18, 39,218.38 and 9,505.25 is: 14,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129.18 : 39,218.38 = 9,505.25 : x
  2. Step 2: Convert to fraction form
    26,129.18/39,218.38 = 9,505.25/x
  3. Step 3: Cross multiply
    26,129.18x = 39,218.38 × 9,505.25
  4. Step 4: Simplify right side
    26,129.18x = 372,780,433.71
  5. Step 5: Solve for x
    x = 372,780,433.71/26,129.18
  6. Step 6: Final answer
    x = 14,266.82

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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.