Home / 20,172.80-27,822.08-17,367.04

Finding the Fourth Proportional to 20,172.80, 27,822.08 and 17,367.04

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Solution

The fourth proportional to 20,172.80, 27,822.08 and 17,367.04 is: 23,952.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,172.80 : 27,822.08 = 17,367.04 : x
  2. Step 2: Convert to fraction form
    20,172.80/27,822.08 = 17,367.04/x
  3. Step 3: Cross multiply
    20,172.80x = 27,822.08 × 17,367.04
  4. Step 4: Simplify right side
    20,172.80x = 483,187,176.24
  5. Step 5: Solve for x
    x = 483,187,176.24/20,172.80
  6. Step 6: Final answer
    x = 23,952.41

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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.