Home / 17,556.31-24,236.50-11,920.87

Finding the Fourth Proportional to 17,556.31, 24,236.50 and 11,920.87

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Solution

The fourth proportional to 17,556.31, 24,236.50 and 11,920.87 is: 16,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,556.31 : 24,236.50 = 11,920.87 : x
  2. Step 2: Convert to fraction form
    17,556.31/24,236.50 = 11,920.87/x
  3. Step 3: Cross multiply
    17,556.31x = 24,236.50 × 11,920.87
  4. Step 4: Simplify right side
    17,556.31x = 288,920,165.76
  5. Step 5: Solve for x
    x = 288,920,165.76/17,556.31
  6. Step 6: Final answer
    x = 16,456.77

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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.