Home / 18,207.11-27,275.69-11,166.60

Finding the Fourth Proportional to 18,207.11, 27,275.69 and 11,166.60

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Solution

The fourth proportional to 18,207.11, 27,275.69 and 11,166.60 is: 16,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.11 : 27,275.69 = 11,166.60 : x
  2. Step 2: Convert to fraction form
    18,207.11/27,275.69 = 11,166.60/x
  3. Step 3: Cross multiply
    18,207.11x = 27,275.69 × 11,166.60
  4. Step 4: Simplify right side
    18,207.11x = 304,576,664.12
  5. Step 5: Solve for x
    x = 304,576,664.12/18,207.11
  6. Step 6: Final answer
    x = 16,728.45

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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.