Home / 19,561.80-29,276.82-17,943.24

Finding the Fourth Proportional to 19,561.80, 29,276.82 and 17,943.24

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Solution

The fourth proportional to 19,561.80, 29,276.82 and 17,943.24 is: 26,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.80 : 29,276.82 = 17,943.24 : x
  2. Step 2: Convert to fraction form
    19,561.80/29,276.82 = 17,943.24/x
  3. Step 3: Cross multiply
    19,561.80x = 29,276.82 × 17,943.24
  4. Step 4: Simplify right side
    19,561.80x = 525,321,007.70
  5. Step 5: Solve for x
    x = 525,321,007.70/19,561.80
  6. Step 6: Final answer
    x = 26,854.43

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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.