Home / 22,490-33,682.46-17,778.36

Finding the Fourth Proportional to 22,490, 33,682.46 and 17,778.36

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Solution

The fourth proportional to 22,490, 33,682.46 and 17,778.36 is: 26,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,490 : 33,682.46 = 17,778.36 : x
  2. Step 2: Convert to fraction form
    22,490/33,682.46 = 17,778.36/x
  3. Step 3: Cross multiply
    22,490x = 33,682.46 × 17,778.36
  4. Step 4: Simplify right side
    22,490x = 598,818,899.57
  5. Step 5: Solve for x
    x = 598,818,899.57/22,490
  6. Step 6: Final answer
    x = 26,626.01

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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.