Home / 22,420.97-33,615.05-7,625.91

Finding the Fourth Proportional to 22,420.97, 33,615.05 and 7,625.91

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Solution

The fourth proportional to 22,420.97, 33,615.05 and 7,625.91 is: 11,433.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.97 : 33,615.05 = 7,625.91 : x
  2. Step 2: Convert to fraction form
    22,420.97/33,615.05 = 7,625.91/x
  3. Step 3: Cross multiply
    22,420.97x = 33,615.05 × 7,625.91
  4. Step 4: Simplify right side
    22,420.97x = 256,345,307.82
  5. Step 5: Solve for x
    x = 256,345,307.82/22,420.97
  6. Step 6: Final answer
    x = 11,433.29

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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.