Home / 19,190.55-26,481.15-10,691.81

Finding the Fourth Proportional to 19,190.55, 26,481.15 and 10,691.81

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Solution

The fourth proportional to 19,190.55, 26,481.15 and 10,691.81 is: 14,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.55 : 26,481.15 = 10,691.81 : x
  2. Step 2: Convert to fraction form
    19,190.55/26,481.15 = 10,691.81/x
  3. Step 3: Cross multiply
    19,190.55x = 26,481.15 × 10,691.81
  4. Step 4: Simplify right side
    19,190.55x = 283,131,424.38
  5. Step 5: Solve for x
    x = 283,131,424.38/19,190.55
  6. Step 6: Final answer
    x = 14,753.69

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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.