Home / 26,231.91-36,234.66-19,439.74

Finding the Fourth Proportional to 26,231.91, 36,234.66 and 19,439.74

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Solution

The fourth proportional to 26,231.91, 36,234.66 and 19,439.74 is: 26,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.91 : 36,234.66 = 19,439.74 : x
  2. Step 2: Convert to fraction form
    26,231.91/36,234.66 = 19,439.74/x
  3. Step 3: Cross multiply
    26,231.91x = 36,234.66 × 19,439.74
  4. Step 4: Simplify right side
    26,231.91x = 704,392,369.39
  5. Step 5: Solve for x
    x = 704,392,369.39/26,231.91
  6. Step 6: Final answer
    x = 26,852.50

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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.