Home / 16,935.72-23,375.18-11,270.71

Finding the Fourth Proportional to 16,935.72, 23,375.18 and 11,270.71

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Solution

The fourth proportional to 16,935.72, 23,375.18 and 11,270.71 is: 15,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.72 : 23,375.18 = 11,270.71 : x
  2. Step 2: Convert to fraction form
    16,935.72/23,375.18 = 11,270.71/x
  3. Step 3: Cross multiply
    16,935.72x = 23,375.18 × 11,270.71
  4. Step 4: Simplify right side
    16,935.72x = 263,454,833.76
  5. Step 5: Solve for x
    x = 263,454,833.76/16,935.72
  6. Step 6: Final answer
    x = 15,556.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.