Home / 26,579.05-39,863.08-11,778.53

Finding the Fourth Proportional to 26,579.05, 39,863.08 and 11,778.53

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Solution

The fourth proportional to 26,579.05, 39,863.08 and 11,778.53 is: 17,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.05 : 39,863.08 = 11,778.53 : x
  2. Step 2: Convert to fraction form
    26,579.05/39,863.08 = 11,778.53/x
  3. Step 3: Cross multiply
    26,579.05x = 39,863.08 × 11,778.53
  4. Step 4: Simplify right side
    26,579.05x = 469,528,299.08
  5. Step 5: Solve for x
    x = 469,528,299.08/26,579.05
  6. Step 6: Final answer
    x = 17,665.35

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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.