Home / 22,680.22-31,295.24-12,608.74

Finding the Fourth Proportional to 22,680.22, 31,295.24 and 12,608.74

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Solution

The fourth proportional to 22,680.22, 31,295.24 and 12,608.74 is: 17,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.22 : 31,295.24 = 12,608.74 : x
  2. Step 2: Convert to fraction form
    22,680.22/31,295.24 = 12,608.74/x
  3. Step 3: Cross multiply
    22,680.22x = 31,295.24 × 12,608.74
  4. Step 4: Simplify right side
    22,680.22x = 394,593,544.40
  5. Step 5: Solve for x
    x = 394,593,544.40/22,680.22
  6. Step 6: Final answer
    x = 17,398.14

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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.