Home / 18,514.08-25,556.40-12,234.96

Finding the Fourth Proportional to 18,514.08, 25,556.40 and 12,234.96

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Solution

The fourth proportional to 18,514.08, 25,556.40 and 12,234.96 is: 16,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.08 : 25,556.40 = 12,234.96 : x
  2. Step 2: Convert to fraction form
    18,514.08/25,556.40 = 12,234.96/x
  3. Step 3: Cross multiply
    18,514.08x = 25,556.40 × 12,234.96
  4. Step 4: Simplify right side
    18,514.08x = 312,681,531.74
  5. Step 5: Solve for x
    x = 312,681,531.74/18,514.08
  6. Step 6: Final answer
    x = 16,888.85

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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.