Home / 22,275.41-30,740.31-12,203.87

Finding the Fourth Proportional to 22,275.41, 30,740.31 and 12,203.87

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Solution

The fourth proportional to 22,275.41, 30,740.31 and 12,203.87 is: 16,841.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.41 : 30,740.31 = 12,203.87 : x
  2. Step 2: Convert to fraction form
    22,275.41/30,740.31 = 12,203.87/x
  3. Step 3: Cross multiply
    22,275.41x = 30,740.31 × 12,203.87
  4. Step 4: Simplify right side
    22,275.41x = 375,150,593.30
  5. Step 5: Solve for x
    x = 375,150,593.30/22,275.41
  6. Step 6: Final answer
    x = 16,841.47

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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.