Home / 22,132.20-30,528.48-13,173.02

Finding the Fourth Proportional to 22,132.20, 30,528.48 and 13,173.02

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Solution

The fourth proportional to 22,132.20, 30,528.48 and 13,173.02 is: 18,170.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.20 : 30,528.48 = 13,173.02 : x
  2. Step 2: Convert to fraction form
    22,132.20/30,528.48 = 13,173.02/x
  3. Step 3: Cross multiply
    22,132.20x = 30,528.48 × 13,173.02
  4. Step 4: Simplify right side
    22,132.20x = 402,152,277.61
  5. Step 5: Solve for x
    x = 402,152,277.61/22,132.20
  6. Step 6: Final answer
    x = 18,170.46

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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.