Home / 22,031.20-33,046.80-11,663.20

Finding the Fourth Proportional to 22,031.20, 33,046.80 and 11,663.20

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Solution

The fourth proportional to 22,031.20, 33,046.80 and 11,663.20 is: 17,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.20 : 33,046.80 = 11,663.20 : x
  2. Step 2: Convert to fraction form
    22,031.20/33,046.80 = 11,663.20/x
  3. Step 3: Cross multiply
    22,031.20x = 33,046.80 × 11,663.20
  4. Step 4: Simplify right side
    22,031.20x = 385,431,437.76
  5. Step 5: Solve for x
    x = 385,431,437.76/22,031.20
  6. Step 6: Final answer
    x = 17,494.80

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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.