Home / 26,080.56-39,126.60-12,222

Finding the Fourth Proportional to 26,080.56, 39,126.60 and 12,222

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Solution

The fourth proportional to 26,080.56, 39,126.60 and 12,222 is: 18,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,080.56 : 39,126.60 = 12,222 : x
  2. Step 2: Convert to fraction form
    26,080.56/39,126.60 = 12,222/x
  3. Step 3: Cross multiply
    26,080.56x = 39,126.60 × 12,222
  4. Step 4: Simplify right side
    26,080.56x = 478,205,305.20
  5. Step 5: Solve for x
    x = 478,205,305.20/26,080.56
  6. Step 6: Final answer
    x = 18,335.70

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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.