Home / 18,197.62-27,280.18-7,101.72

Finding the Fourth Proportional to 18,197.62, 27,280.18 and 7,101.72

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Solution

The fourth proportional to 18,197.62, 27,280.18 and 7,101.72 is: 10,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.62 : 27,280.18 = 7,101.72 : x
  2. Step 2: Convert to fraction form
    18,197.62/27,280.18 = 7,101.72/x
  3. Step 3: Cross multiply
    18,197.62x = 27,280.18 × 7,101.72
  4. Step 4: Simplify right side
    18,197.62x = 193,736,208.79
  5. Step 5: Solve for x
    x = 193,736,208.79/18,197.62
  6. Step 6: Final answer
    x = 10,646.24

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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.