Home / 14,586.62-20,127.51-8,212.14

Finding the Fourth Proportional to 14,586.62, 20,127.51 and 8,212.14

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Solution

The fourth proportional to 14,586.62, 20,127.51 and 8,212.14 is: 11,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.62 : 20,127.51 = 8,212.14 : x
  2. Step 2: Convert to fraction form
    14,586.62/20,127.51 = 8,212.14/x
  3. Step 3: Cross multiply
    14,586.62x = 20,127.51 × 8,212.14
  4. Step 4: Simplify right side
    14,586.62x = 165,289,929.97
  5. Step 5: Solve for x
    x = 165,289,929.97/14,586.62
  6. Step 6: Final answer
    x = 11,331.62

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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.