Home / 19,691.42-27,173.34-10,738.76

Finding the Fourth Proportional to 19,691.42, 27,173.34 and 10,738.76

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Solution

The fourth proportional to 19,691.42, 27,173.34 and 10,738.76 is: 14,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.42 : 27,173.34 = 10,738.76 : x
  2. Step 2: Convert to fraction form
    19,691.42/27,173.34 = 10,738.76/x
  3. Step 3: Cross multiply
    19,691.42x = 27,173.34 × 10,738.76
  4. Step 4: Simplify right side
    19,691.42x = 291,807,976.66
  5. Step 5: Solve for x
    x = 291,807,976.66/19,691.42
  6. Step 6: Final answer
    x = 14,819.04

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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.