Home / 19,841.80-27,381.77-10,890.29

Finding the Fourth Proportional to 19,841.80, 27,381.77 and 10,890.29

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Solution

The fourth proportional to 19,841.80, 27,381.77 and 10,890.29 is: 15,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.80 : 27,381.77 = 10,890.29 : x
  2. Step 2: Convert to fraction form
    19,841.80/27,381.77 = 10,890.29/x
  3. Step 3: Cross multiply
    19,841.80x = 27,381.77 × 10,890.29
  4. Step 4: Simplify right side
    19,841.80x = 298,195,416.01
  5. Step 5: Solve for x
    x = 298,195,416.01/19,841.80
  6. Step 6: Final answer
    x = 15,028.65

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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.