Home / 18,131.60-27,201.50-8,776.02

Finding the Fourth Proportional to 18,131.60, 27,201.50 and 8,776.02

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Solution

The fourth proportional to 18,131.60, 27,201.50 and 8,776.02 is: 13,166.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.60 : 27,201.50 = 8,776.02 : x
  2. Step 2: Convert to fraction form
    18,131.60/27,201.50 = 8,776.02/x
  3. Step 3: Cross multiply
    18,131.60x = 27,201.50 × 8,776.02
  4. Step 4: Simplify right side
    18,131.60x = 238,720,897.88
  5. Step 5: Solve for x
    x = 238,720,897.88/18,131.60
  6. Step 6: Final answer
    x = 13,166.02

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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.