Home / 17,909.84-26,863.32-11,316.80

Finding the Fourth Proportional to 17,909.84, 26,863.32 and 11,316.80

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Solution

The fourth proportional to 17,909.84, 26,863.32 and 11,316.80 is: 16,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.84 : 26,863.32 = 11,316.80 : x
  2. Step 2: Convert to fraction form
    17,909.84/26,863.32 = 11,316.80/x
  3. Step 3: Cross multiply
    17,909.84x = 26,863.32 × 11,316.80
  4. Step 4: Simplify right side
    17,909.84x = 304,006,819.78
  5. Step 5: Solve for x
    x = 304,006,819.78/17,909.84
  6. Step 6: Final answer
    x = 16,974.29

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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.