Home / 22,490.17-33,682.77-17,778.55

Finding the Fourth Proportional to 22,490.17, 33,682.77 and 17,778.55

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Solution

The fourth proportional to 22,490.17, 33,682.77 and 17,778.55 is: 26,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,490.17 : 33,682.77 = 17,778.55 : x
  2. Step 2: Convert to fraction form
    22,490.17/33,682.77 = 17,778.55/x
  3. Step 3: Cross multiply
    22,490.17x = 33,682.77 × 17,778.55
  4. Step 4: Simplify right side
    22,490.17x = 598,830,810.58
  5. Step 5: Solve for x
    x = 598,830,810.58/22,490.17
  6. Step 6: Final answer
    x = 26,626.34

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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.