Home / 26,179.21-36,124.61-15,566.79

Finding the Fourth Proportional to 26,179.21, 36,124.61 and 15,566.79

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Solution

The fourth proportional to 26,179.21, 36,124.61 and 15,566.79 is: 21,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,179.21 : 36,124.61 = 15,566.79 : x
  2. Step 2: Convert to fraction form
    26,179.21/36,124.61 = 15,566.79/x
  3. Step 3: Cross multiply
    26,179.21x = 36,124.61 × 15,566.79
  4. Step 4: Simplify right side
    26,179.21x = 562,344,217.70
  5. Step 5: Solve for x
    x = 562,344,217.70/26,179.21
  6. Step 6: Final answer
    x = 21,480.56

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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.