Home / 36,720.50-55,080.62-10,425.25

Finding the Fourth Proportional to 36,720.50, 55,080.62 and 10,425.25

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Solution

The fourth proportional to 36,720.50, 55,080.62 and 10,425.25 is: 15,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.50 : 55,080.62 = 10,425.25 : x
  2. Step 2: Convert to fraction form
    36,720.50/55,080.62 = 10,425.25/x
  3. Step 3: Cross multiply
    36,720.50x = 55,080.62 × 10,425.25
  4. Step 4: Simplify right side
    36,720.50x = 574,228,906.13
  5. Step 5: Solve for x
    x = 574,228,906.13/36,720.50
  6. Step 6: Final answer
    x = 15,637.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.