Home / 22,132.98-30,528.33-13,173.57

Finding the Fourth Proportional to 22,132.98, 30,528.33 and 13,173.57

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Solution

The fourth proportional to 22,132.98, 30,528.33 and 13,173.57 is: 18,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.98 : 30,528.33 = 13,173.57 : x
  2. Step 2: Convert to fraction form
    22,132.98/30,528.33 = 13,173.57/x
  3. Step 3: Cross multiply
    22,132.98x = 30,528.33 × 13,173.57
  4. Step 4: Simplify right side
    22,132.98x = 402,167,092.24
  5. Step 5: Solve for x
    x = 402,167,092.24/22,132.98
  6. Step 6: Final answer
    x = 18,170.49

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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.