Home / 18,248.92-25,187.42-11,530.28

Finding the Fourth Proportional to 18,248.92, 25,187.42 and 11,530.28

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Solution

The fourth proportional to 18,248.92, 25,187.42 and 11,530.28 is: 15,914.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.92 : 25,187.42 = 11,530.28 : x
  2. Step 2: Convert to fraction form
    18,248.92/25,187.42 = 11,530.28/x
  3. Step 3: Cross multiply
    18,248.92x = 25,187.42 × 11,530.28
  4. Step 4: Simplify right side
    18,248.92x = 290,418,005.08
  5. Step 5: Solve for x
    x = 290,418,005.08/18,248.92
  6. Step 6: Final answer
    x = 15,914.26

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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.