Home / 18,631.56-25,717.04-11,083.24

Finding the Fourth Proportional to 18,631.56, 25,717.04 and 11,083.24

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Solution

The fourth proportional to 18,631.56, 25,717.04 and 11,083.24 is: 15,298.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.56 : 25,717.04 = 11,083.24 : x
  2. Step 2: Convert to fraction form
    18,631.56/25,717.04 = 11,083.24/x
  3. Step 3: Cross multiply
    18,631.56x = 25,717.04 × 11,083.24
  4. Step 4: Simplify right side
    18,631.56x = 285,028,126.41
  5. Step 5: Solve for x
    x = 285,028,126.41/18,631.56
  6. Step 6: Final answer
    x = 15,298.14

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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.