Home / 18,197.72-27,287.46-5,717.57

Finding the Fourth Proportional to 18,197.72, 27,287.46 and 5,717.57

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Solution

The fourth proportional to 18,197.72, 27,287.46 and 5,717.57 is: 8,573.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.72 : 27,287.46 = 5,717.57 : x
  2. Step 2: Convert to fraction form
    18,197.72/27,287.46 = 5,717.57/x
  3. Step 3: Cross multiply
    18,197.72x = 27,287.46 × 5,717.57
  4. Step 4: Simplify right side
    18,197.72x = 156,018,030.89
  5. Step 5: Solve for x
    x = 156,018,030.89/18,197.72
  6. Step 6: Final answer
    x = 8,573.50

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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.