Home / 18,002.90-27,003.36-5,522.94

Finding the Fourth Proportional to 18,002.90, 27,003.36 and 5,522.94

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Solution

The fourth proportional to 18,002.90, 27,003.36 and 5,522.94 is: 8,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.90 : 27,003.36 = 5,522.94 : x
  2. Step 2: Convert to fraction form
    18,002.90/27,003.36 = 5,522.94/x
  3. Step 3: Cross multiply
    18,002.90x = 27,003.36 × 5,522.94
  4. Step 4: Simplify right side
    18,002.90x = 149,137,937.08
  5. Step 5: Solve for x
    x = 149,137,937.08/18,002.90
  6. Step 6: Final answer
    x = 8,284.11

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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.