Home / 19,937.26-27,314.18-19,189.90

Finding the Fourth Proportional to 19,937.26, 27,314.18 and 19,189.90

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Solution

The fourth proportional to 19,937.26, 27,314.18 and 19,189.90 is: 26,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.26 : 27,314.18 = 19,189.90 : x
  2. Step 2: Convert to fraction form
    19,937.26/27,314.18 = 19,189.90/x
  3. Step 3: Cross multiply
    19,937.26x = 27,314.18 × 19,189.90
  4. Step 4: Simplify right side
    19,937.26x = 524,156,382.78
  5. Step 5: Solve for x
    x = 524,156,382.78/19,937.26
  6. Step 6: Final answer
    x = 26,290.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.