Home / 22,310.24-30,788.54-12,239.19

Finding the Fourth Proportional to 22,310.24, 30,788.54 and 12,239.19

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Solution

The fourth proportional to 22,310.24, 30,788.54 and 12,239.19 is: 16,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.24 : 30,788.54 = 12,239.19 : x
  2. Step 2: Convert to fraction form
    22,310.24/30,788.54 = 12,239.19/x
  3. Step 3: Cross multiply
    22,310.24x = 30,788.54 × 12,239.19
  4. Step 4: Simplify right side
    22,310.24x = 376,826,729.69
  5. Step 5: Solve for x
    x = 376,826,729.69/22,310.24
  6. Step 6: Final answer
    x = 16,890.31

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Double scale
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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.