Home / 22,132.75-30,539.62-13,180.03

Finding the Fourth Proportional to 22,132.75, 30,539.62 and 13,180.03

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Solution

The fourth proportional to 22,132.75, 30,539.62 and 13,180.03 is: 18,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.75 : 30,539.62 = 13,180.03 : x
  2. Step 2: Convert to fraction form
    22,132.75/30,539.62 = 13,180.03/x
  3. Step 3: Cross multiply
    22,132.75x = 30,539.62 × 13,180.03
  4. Step 4: Simplify right side
    22,132.75x = 402,513,107.79
  5. Step 5: Solve for x
    x = 402,513,107.79/22,132.75
  6. Step 6: Final answer
    x = 18,186.31

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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.