Home / 17,176.32-23,691.06-15,764.58

Finding the Fourth Proportional to 17,176.32, 23,691.06 and 15,764.58

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Solution

The fourth proportional to 17,176.32, 23,691.06 and 15,764.58 is: 21,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,176.32 : 23,691.06 = 15,764.58 : x
  2. Step 2: Convert to fraction form
    17,176.32/23,691.06 = 15,764.58/x
  3. Step 3: Cross multiply
    17,176.32x = 23,691.06 × 15,764.58
  4. Step 4: Simplify right side
    17,176.32x = 373,479,610.65
  5. Step 5: Solve for x
    x = 373,479,610.65/17,176.32
  6. Step 6: Final answer
    x = 21,743.87

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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.