Home / 22,275.79-30,740.59-12,204.61

Finding the Fourth Proportional to 22,275.79, 30,740.59 and 12,204.61

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Solution

The fourth proportional to 22,275.79, 30,740.59 and 12,204.61 is: 16,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.79 : 30,740.59 = 12,204.61 : x
  2. Step 2: Convert to fraction form
    22,275.79/30,740.59 = 12,204.61/x
  3. Step 3: Cross multiply
    22,275.79x = 30,740.59 × 12,204.61
  4. Step 4: Simplify right side
    22,275.79x = 375,177,033.13
  5. Step 5: Solve for x
    x = 375,177,033.13/22,275.79
  6. Step 6: Final answer
    x = 16,842.37

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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.