Home / 26,276.56-39,420.78-8,747.08

Finding the Fourth Proportional to 26,276.56, 39,420.78 and 8,747.08

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Solution

The fourth proportional to 26,276.56, 39,420.78 and 8,747.08 is: 13,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276.56 : 39,420.78 = 8,747.08 : x
  2. Step 2: Convert to fraction form
    26,276.56/39,420.78 = 8,747.08/x
  3. Step 3: Cross multiply
    26,276.56x = 39,420.78 × 8,747.08
  4. Step 4: Simplify right side
    26,276.56x = 344,816,716.32
  5. Step 5: Solve for x
    x = 344,816,716.32/26,276.56
  6. Step 6: Final answer
    x = 13,122.60

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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.