Home / 19,852.52-27,398.66-11,355.42

Finding the Fourth Proportional to 19,852.52, 27,398.66 and 11,355.42

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Solution

The fourth proportional to 19,852.52, 27,398.66 and 11,355.42 is: 15,671.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852.52 : 27,398.66 = 11,355.42 : x
  2. Step 2: Convert to fraction form
    19,852.52/27,398.66 = 11,355.42/x
  3. Step 3: Cross multiply
    19,852.52x = 27,398.66 × 11,355.42
  4. Step 4: Simplify right side
    19,852.52x = 311,123,234.96
  5. Step 5: Solve for x
    x = 311,123,234.96/19,852.52
  6. Step 6: Final answer
    x = 15,671.73

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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.