Home / 14,514.72-20,031.48-8,227.50

Finding the Fourth Proportional to 14,514.72, 20,031.48 and 8,227.50

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Solution

The fourth proportional to 14,514.72, 20,031.48 and 8,227.50 is: 11,354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.72 : 20,031.48 = 8,227.50 : x
  2. Step 2: Convert to fraction form
    14,514.72/20,031.48 = 8,227.50/x
  3. Step 3: Cross multiply
    14,514.72x = 20,031.48 × 8,227.50
  4. Step 4: Simplify right side
    14,514.72x = 164,809,001.70
  5. Step 5: Solve for x
    x = 164,809,001.70/14,514.72
  6. Step 6: Final answer
    x = 11,354.61

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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.