Home / 22,021.20-33,031.65-5,381.32

Finding the Fourth Proportional to 22,021.20, 33,031.65 and 5,381.32

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Solution

The fourth proportional to 22,021.20, 33,031.65 and 5,381.32 is: 8,071.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021.20 : 33,031.65 = 5,381.32 : x
  2. Step 2: Convert to fraction form
    22,021.20/33,031.65 = 5,381.32/x
  3. Step 3: Cross multiply
    22,021.20x = 33,031.65 × 5,381.32
  4. Step 4: Simplify right side
    22,021.20x = 177,753,878.78
  5. Step 5: Solve for x
    x = 177,753,878.78/22,021.20
  6. Step 6: Final answer
    x = 8,071.94

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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.