Home / 22,621.31-33,931.97-12,253.31

Finding the Fourth Proportional to 22,621.31, 33,931.97 and 12,253.31

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Solution

The fourth proportional to 22,621.31, 33,931.97 and 12,253.31 is: 18,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,621.31 : 33,931.97 = 12,253.31 : x
  2. Step 2: Convert to fraction form
    22,621.31/33,931.97 = 12,253.31/x
  3. Step 3: Cross multiply
    22,621.31x = 33,931.97 × 12,253.31
  4. Step 4: Simplify right side
    22,621.31x = 415,778,886.05
  5. Step 5: Solve for x
    x = 415,778,886.05/22,621.31
  6. Step 6: Final answer
    x = 18,379.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.