Home / 15,514.20-23,222.70-11,140.20

Finding the Fourth Proportional to 15,514.20, 23,222.70 and 11,140.20

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Solution

The fourth proportional to 15,514.20, 23,222.70 and 11,140.20 is: 16,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514.20 : 23,222.70 = 11,140.20 : x
  2. Step 2: Convert to fraction form
    15,514.20/23,222.70 = 11,140.20/x
  3. Step 3: Cross multiply
    15,514.20x = 23,222.70 × 11,140.20
  4. Step 4: Simplify right side
    15,514.20x = 258,705,522.54
  5. Step 5: Solve for x
    x = 258,705,522.54/15,514.20
  6. Step 6: Final answer
    x = 16,675.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.