Home / 22,252.74-30,705.78-12,819.48

Finding the Fourth Proportional to 22,252.74, 30,705.78 and 12,819.48

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Solution

The fourth proportional to 22,252.74, 30,705.78 and 12,819.48 is: 17,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,252.74 : 30,705.78 = 12,819.48 : x
  2. Step 2: Convert to fraction form
    22,252.74/30,705.78 = 12,819.48/x
  3. Step 3: Cross multiply
    22,252.74x = 30,705.78 × 12,819.48
  4. Step 4: Simplify right side
    22,252.74x = 393,632,132.59
  5. Step 5: Solve for x
    x = 393,632,132.59/22,252.74
  6. Step 6: Final answer
    x = 17,689.15

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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.