Home / 14,062.72-21,083.67-8,514.76

Finding the Fourth Proportional to 14,062.72, 21,083.67 and 8,514.76

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Solution

The fourth proportional to 14,062.72, 21,083.67 and 8,514.76 is: 12,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,062.72 : 21,083.67 = 8,514.76 : x
  2. Step 2: Convert to fraction form
    14,062.72/21,083.67 = 8,514.76/x
  3. Step 3: Cross multiply
    14,062.72x = 21,083.67 × 8,514.76
  4. Step 4: Simplify right side
    14,062.72x = 179,522,347.40
  5. Step 5: Solve for x
    x = 179,522,347.40/14,062.72
  6. Step 6: Final answer
    x = 12,765.83

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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.