Home / 26,109.12-39,162.30-16,115.76

Finding the Fourth Proportional to 26,109.12, 39,162.30 and 16,115.76

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Solution

The fourth proportional to 26,109.12, 39,162.30 and 16,115.76 is: 24,172.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.12 : 39,162.30 = 16,115.76 : x
  2. Step 2: Convert to fraction form
    26,109.12/39,162.30 = 16,115.76/x
  3. Step 3: Cross multiply
    26,109.12x = 39,162.30 × 16,115.76
  4. Step 4: Simplify right side
    26,109.12x = 631,130,227.85
  5. Step 5: Solve for x
    x = 631,130,227.85/26,109.12
  6. Step 6: Final answer
    x = 24,172.79

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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.