Home / 19,212.20-26,512.99-10,714.88

Finding the Fourth Proportional to 19,212.20, 26,512.99 and 10,714.88

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Solution

The fourth proportional to 19,212.20, 26,512.99 and 10,714.88 is: 14,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.20 : 26,512.99 = 10,714.88 : x
  2. Step 2: Convert to fraction form
    19,212.20/26,512.99 = 10,714.88/x
  3. Step 3: Cross multiply
    19,212.20x = 26,512.99 × 10,714.88
  4. Step 4: Simplify right side
    19,212.20x = 284,083,545.79
  5. Step 5: Solve for x
    x = 284,083,545.79/19,212.20
  6. Step 6: Final answer
    x = 14,786.62

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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.