Home / 26,285.75-39,449.23-18,336.56

Finding the Fourth Proportional to 26,285.75, 39,449.23 and 18,336.56

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Solution

The fourth proportional to 26,285.75, 39,449.23 and 18,336.56 is: 27,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,285.75 : 39,449.23 = 18,336.56 : x
  2. Step 2: Convert to fraction form
    26,285.75/39,449.23 = 18,336.56/x
  3. Step 3: Cross multiply
    26,285.75x = 39,449.23 × 18,336.56
  4. Step 4: Simplify right side
    26,285.75x = 723,363,330.40
  5. Step 5: Solve for x
    x = 723,363,330.40/26,285.75
  6. Step 6: Final answer
    x = 27,519.22

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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.