Home / 26,481.51-36,543.06-15,149.79

Finding the Fourth Proportional to 26,481.51, 36,543.06 and 15,149.79

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Solution

The fourth proportional to 26,481.51, 36,543.06 and 15,149.79 is: 20,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,481.51 : 36,543.06 = 15,149.79 : x
  2. Step 2: Convert to fraction form
    26,481.51/36,543.06 = 15,149.79/x
  3. Step 3: Cross multiply
    26,481.51x = 36,543.06 × 15,149.79
  4. Step 4: Simplify right side
    26,481.51x = 553,619,684.96
  5. Step 5: Solve for x
    x = 553,619,684.96/26,481.51
  6. Step 6: Final answer
    x = 20,905.90

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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.