Home / 19,823.24-27,345.66-11,863.10

Finding the Fourth Proportional to 19,823.24, 27,345.66 and 11,863.10

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Solution

The fourth proportional to 19,823.24, 27,345.66 and 11,863.10 is: 16,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.24 : 27,345.66 = 11,863.10 : x
  2. Step 2: Convert to fraction form
    19,823.24/27,345.66 = 11,863.10/x
  3. Step 3: Cross multiply
    19,823.24x = 27,345.66 × 11,863.10
  4. Step 4: Simplify right side
    19,823.24x = 324,404,299.15
  5. Step 5: Solve for x
    x = 324,404,299.15/19,823.24
  6. Step 6: Final answer
    x = 16,364.85

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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.