Home / 20,176.07-27,841.74-11,677.57

Finding the Fourth Proportional to 20,176.07, 27,841.74 and 11,677.57

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Solution

The fourth proportional to 20,176.07, 27,841.74 and 11,677.57 is: 16,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.07 : 27,841.74 = 11,677.57 : x
  2. Step 2: Convert to fraction form
    20,176.07/27,841.74 = 11,677.57/x
  3. Step 3: Cross multiply
    20,176.07x = 27,841.74 × 11,677.57
  4. Step 4: Simplify right side
    20,176.07x = 325,123,754.38
  5. Step 5: Solve for x
    x = 325,123,754.38/20,176.07
  6. Step 6: Final answer
    x = 16,114.33

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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.