Home / 20,159.18-27,824.26-13,073.30

Finding the Fourth Proportional to 20,159.18, 27,824.26 and 13,073.30

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Solution

The fourth proportional to 20,159.18, 27,824.26 and 13,073.30 is: 18,044.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159.18 : 27,824.26 = 13,073.30 : x
  2. Step 2: Convert to fraction form
    20,159.18/27,824.26 = 13,073.30/x
  3. Step 3: Cross multiply
    20,159.18x = 27,824.26 × 13,073.30
  4. Step 4: Simplify right side
    20,159.18x = 363,754,855.31
  5. Step 5: Solve for x
    x = 363,754,855.31/20,159.18
  6. Step 6: Final answer
    x = 18,044.13

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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.