Home / 17,215.79-25,823.96-5,369.88

Finding the Fourth Proportional to 17,215.79, 25,823.96 and 5,369.88

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Solution

The fourth proportional to 17,215.79, 25,823.96 and 5,369.88 is: 8,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.79 : 25,823.96 = 5,369.88 : x
  2. Step 2: Convert to fraction form
    17,215.79/25,823.96 = 5,369.88/x
  3. Step 3: Cross multiply
    17,215.79x = 25,823.96 × 5,369.88
  4. Step 4: Simplify right side
    17,215.79x = 138,671,566.32
  5. Step 5: Solve for x
    x = 138,671,566.32/17,215.79
  6. Step 6: Final answer
    x = 8,054.91

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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.