Home / 19,949.80-27,542.18-13,244.48

Finding the Fourth Proportional to 19,949.80, 27,542.18 and 13,244.48

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Solution

The fourth proportional to 19,949.80, 27,542.18 and 13,244.48 is: 18,284.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.80 : 27,542.18 = 13,244.48 : x
  2. Step 2: Convert to fraction form
    19,949.80/27,542.18 = 13,244.48/x
  3. Step 3: Cross multiply
    19,949.80x = 27,542.18 × 13,244.48
  4. Step 4: Simplify right side
    19,949.80x = 364,781,852.17
  5. Step 5: Solve for x
    x = 364,781,852.17/19,949.80
  6. Step 6: Final answer
    x = 18,284.99

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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.