Home / 23,530.11-32,471.38-12,919.51

Finding the Fourth Proportional to 23,530.11, 32,471.38 and 12,919.51

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Solution

The fourth proportional to 23,530.11, 32,471.38 and 12,919.51 is: 17,828.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,530.11 : 32,471.38 = 12,919.51 : x
  2. Step 2: Convert to fraction form
    23,530.11/32,471.38 = 12,919.51/x
  3. Step 3: Cross multiply
    23,530.11x = 32,471.38 × 12,919.51
  4. Step 4: Simplify right side
    23,530.11x = 419,514,318.62
  5. Step 5: Solve for x
    x = 419,514,318.62/23,530.11
  6. Step 6: Final answer
    x = 17,828.83

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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.