Home / 19,239.73-26,550.79-11,281.88

Finding the Fourth Proportional to 19,239.73, 26,550.79 and 11,281.88

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Solution

The fourth proportional to 19,239.73, 26,550.79 and 11,281.88 is: 15,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.73 : 26,550.79 = 11,281.88 : x
  2. Step 2: Convert to fraction form
    19,239.73/26,550.79 = 11,281.88/x
  3. Step 3: Cross multiply
    19,239.73x = 26,550.79 × 11,281.88
  4. Step 4: Simplify right side
    19,239.73x = 299,542,864.86
  5. Step 5: Solve for x
    x = 299,542,864.86/19,239.73
  6. Step 6: Final answer
    x = 15,568.98

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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.