Home / 22,310.34-33,458.44-7,515.78

Finding the Fourth Proportional to 22,310.34, 33,458.44 and 7,515.78

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Solution

The fourth proportional to 22,310.34, 33,458.44 and 7,515.78 is: 11,271.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.34 : 33,458.44 = 7,515.78 : x
  2. Step 2: Convert to fraction form
    22,310.34/33,458.44 = 7,515.78/x
  3. Step 3: Cross multiply
    22,310.34x = 33,458.44 × 7,515.78
  4. Step 4: Simplify right side
    22,310.34x = 251,466,274.18
  5. Step 5: Solve for x
    x = 251,466,274.18/22,310.34
  6. Step 6: Final answer
    x = 11,271.29

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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.