Home / 17,122.56-25,680.72-4,643.52

Finding the Fourth Proportional to 17,122.56, 25,680.72 and 4,643.52

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Solution

The fourth proportional to 17,122.56, 25,680.72 and 4,643.52 is: 6,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.56 : 25,680.72 = 4,643.52 : x
  2. Step 2: Convert to fraction form
    17,122.56/25,680.72 = 4,643.52/x
  3. Step 3: Cross multiply
    17,122.56x = 25,680.72 × 4,643.52
  4. Step 4: Simplify right side
    17,122.56x = 119,248,936.93
  5. Step 5: Solve for x
    x = 119,248,936.93/17,122.56
  6. Step 6: Final answer
    x = 6,964.43

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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.