Home / 26,300.94-39,436.82-8,761.20

Finding the Fourth Proportional to 26,300.94, 39,436.82 and 8,761.20

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Solution

The fourth proportional to 26,300.94, 39,436.82 and 8,761.20 is: 13,136.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,300.94 : 39,436.82 = 8,761.20 : x
  2. Step 2: Convert to fraction form
    26,300.94/39,436.82 = 8,761.20/x
  3. Step 3: Cross multiply
    26,300.94x = 39,436.82 × 8,761.20
  4. Step 4: Simplify right side
    26,300.94x = 345,513,867.38
  5. Step 5: Solve for x
    x = 345,513,867.38/26,300.94
  6. Step 6: Final answer
    x = 13,136.94

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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.