Home / 18,595.17-25,653.92-11,879.06

Finding the Fourth Proportional to 18,595.17, 25,653.92 and 11,879.06

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Solution

The fourth proportional to 18,595.17, 25,653.92 and 11,879.06 is: 16,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.17 : 25,653.92 = 11,879.06 : x
  2. Step 2: Convert to fraction form
    18,595.17/25,653.92 = 11,879.06/x
  3. Step 3: Cross multiply
    18,595.17x = 25,653.92 × 11,879.06
  4. Step 4: Simplify right side
    18,595.17x = 304,744,267.25
  5. Step 5: Solve for x
    x = 304,744,267.25/18,595.17
  6. Step 6: Final answer
    x = 16,388.36

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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.