Home / 23,415.94-32,340.62-15,745.88

Finding the Fourth Proportional to 23,415.94, 32,340.62 and 15,745.88

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Solution

The fourth proportional to 23,415.94, 32,340.62 and 15,745.88 is: 21,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,415.94 : 32,340.62 = 15,745.88 : x
  2. Step 2: Convert to fraction form
    23,415.94/32,340.62 = 15,745.88/x
  3. Step 3: Cross multiply
    23,415.94x = 32,340.62 × 15,745.88
  4. Step 4: Simplify right side
    23,415.94x = 509,231,521.65
  5. Step 5: Solve for x
    x = 509,231,521.65/23,415.94
  6. Step 6: Final answer
    x = 21,747.22

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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.