Home / 27,101.18-37,401.08-15,163.80

Finding the Fourth Proportional to 27,101.18, 37,401.08 and 15,163.80

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Solution

The fourth proportional to 27,101.18, 37,401.08 and 15,163.80 is: 20,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,101.18 : 37,401.08 = 15,163.80 : x
  2. Step 2: Convert to fraction form
    27,101.18/37,401.08 = 15,163.80/x
  3. Step 3: Cross multiply
    27,101.18x = 37,401.08 × 15,163.80
  4. Step 4: Simplify right side
    27,101.18x = 567,142,496.90
  5. Step 5: Solve for x
    x = 567,142,496.90/27,101.18
  6. Step 6: Final answer
    x = 20,926.86

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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.