Home / 19,161.38-26,442.46-10,777.88

Finding the Fourth Proportional to 19,161.38, 26,442.46 and 10,777.88

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Solution

The fourth proportional to 19,161.38, 26,442.46 and 10,777.88 is: 14,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.38 : 26,442.46 = 10,777.88 : x
  2. Step 2: Convert to fraction form
    19,161.38/26,442.46 = 10,777.88/x
  3. Step 3: Cross multiply
    19,161.38x = 26,442.46 × 10,777.88
  4. Step 4: Simplify right side
    19,161.38x = 284,993,660.78
  5. Step 5: Solve for x
    x = 284,993,660.78/19,161.38
  6. Step 6: Final answer
    x = 14,873.34

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Double scale
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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.