Home / 26,811.20-37,001.21-15,481.18

Finding the Fourth Proportional to 26,811.20, 37,001.21 and 15,481.18

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Solution

The fourth proportional to 26,811.20, 37,001.21 and 15,481.18 is: 21,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,811.20 : 37,001.21 = 15,481.18 : x
  2. Step 2: Convert to fraction form
    26,811.20/37,001.21 = 15,481.18/x
  3. Step 3: Cross multiply
    26,811.20x = 37,001.21 × 15,481.18
  4. Step 4: Simplify right side
    26,811.20x = 572,822,226.57
  5. Step 5: Solve for x
    x = 572,822,226.57/26,811.20
  6. Step 6: Final answer
    x = 21,365.03

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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.