Home / 22,211.97-30,649.68-12,653.07

Finding the Fourth Proportional to 22,211.97, 30,649.68 and 12,653.07

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Solution

The fourth proportional to 22,211.97, 30,649.68 and 12,653.07 is: 17,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,211.97 : 30,649.68 = 12,653.07 : x
  2. Step 2: Convert to fraction form
    22,211.97/30,649.68 = 12,653.07/x
  3. Step 3: Cross multiply
    22,211.97x = 30,649.68 × 12,653.07
  4. Step 4: Simplify right side
    22,211.97x = 387,812,546.52
  5. Step 5: Solve for x
    x = 387,812,546.52/22,211.97
  6. Step 6: Final answer
    x = 17,459.62

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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.