Home / 19,186.20-26,471.76-11,230.38

Finding the Fourth Proportional to 19,186.20, 26,471.76 and 11,230.38

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Solution

The fourth proportional to 19,186.20, 26,471.76 and 11,230.38 is: 15,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.20 : 26,471.76 = 11,230.38 : x
  2. Step 2: Convert to fraction form
    19,186.20/26,471.76 = 11,230.38/x
  3. Step 3: Cross multiply
    19,186.20x = 26,471.76 × 11,230.38
  4. Step 4: Simplify right side
    19,186.20x = 297,287,924.07
  5. Step 5: Solve for x
    x = 297,287,924.07/19,186.20
  6. Step 6: Final answer
    x = 15,494.88

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Half scale
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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.