Home / 26,115.11-36,039.18-14,178.65

Finding the Fourth Proportional to 26,115.11, 36,039.18 and 14,178.65

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Solution

The fourth proportional to 26,115.11, 36,039.18 and 14,178.65 is: 19,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.11 : 36,039.18 = 14,178.65 : x
  2. Step 2: Convert to fraction form
    26,115.11/36,039.18 = 14,178.65/x
  3. Step 3: Cross multiply
    26,115.11x = 36,039.18 × 14,178.65
  4. Step 4: Simplify right side
    26,115.11x = 510,986,712.73
  5. Step 5: Solve for x
    x = 510,986,712.73/26,115.11
  6. Step 6: Final answer
    x = 19,566.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.