Home / 22,252.38-30,708.28-12,316.38

Finding the Fourth Proportional to 22,252.38, 30,708.28 and 12,316.38

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Solution

The fourth proportional to 22,252.38, 30,708.28 and 12,316.38 is: 16,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,252.38 : 30,708.28 = 12,316.38 : x
  2. Step 2: Convert to fraction form
    22,252.38/30,708.28 = 12,316.38/x
  3. Step 3: Cross multiply
    22,252.38x = 30,708.28 × 12,316.38
  4. Step 4: Simplify right side
    22,252.38x = 378,214,845.63
  5. Step 5: Solve for x
    x = 378,214,845.63/22,252.38
  6. Step 6: Final answer
    x = 16,996.60

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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.