Home / 19,338.18-26,677.17-12,176.70

Finding the Fourth Proportional to 19,338.18, 26,677.17 and 12,176.70

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Solution

The fourth proportional to 19,338.18, 26,677.17 and 12,176.70 is: 16,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.18 : 26,677.17 = 12,176.70 : x
  2. Step 2: Convert to fraction form
    19,338.18/26,677.17 = 12,176.70/x
  3. Step 3: Cross multiply
    19,338.18x = 26,677.17 × 12,176.70
  4. Step 4: Simplify right side
    19,338.18x = 324,839,895.94
  5. Step 5: Solve for x
    x = 324,839,895.94/19,338.18
  6. Step 6: Final answer
    x = 16,797.85

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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.