Home / 18,073.83-27,119.40-6,392.55

Finding the Fourth Proportional to 18,073.83, 27,119.40 and 6,392.55

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Solution

The fourth proportional to 18,073.83, 27,119.40 and 6,392.55 is: 9,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.83 : 27,119.40 = 6,392.55 : x
  2. Step 2: Convert to fraction form
    18,073.83/27,119.40 = 6,392.55/x
  3. Step 3: Cross multiply
    18,073.83x = 27,119.40 × 6,392.55
  4. Step 4: Simplify right side
    18,073.83x = 173,362,120.47
  5. Step 5: Solve for x
    x = 173,362,120.47/18,073.83
  6. Step 6: Final answer
    x = 9,591.89

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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.