Home / 26,169.15-36,122.70-15,558.73

Finding the Fourth Proportional to 26,169.15, 36,122.70 and 15,558.73

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Solution

The fourth proportional to 26,169.15, 36,122.70 and 15,558.73 is: 21,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,169.15 : 36,122.70 = 15,558.73 : x
  2. Step 2: Convert to fraction form
    26,169.15/36,122.70 = 15,558.73/x
  3. Step 3: Cross multiply
    26,169.15x = 36,122.70 × 15,558.73
  4. Step 4: Simplify right side
    26,169.15x = 562,023,336.17
  5. Step 5: Solve for x
    x = 562,023,336.17/26,169.15
  6. Step 6: Final answer
    x = 21,476.56

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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.