Home / 17,686.90-26,540.70-6,601.24

Finding the Fourth Proportional to 17,686.90, 26,540.70 and 6,601.24

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Solution

The fourth proportional to 17,686.90, 26,540.70 and 6,601.24 is: 9,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.90 : 26,540.70 = 6,601.24 : x
  2. Step 2: Convert to fraction form
    17,686.90/26,540.70 = 6,601.24/x
  3. Step 3: Cross multiply
    17,686.90x = 26,540.70 × 6,601.24
  4. Step 4: Simplify right side
    17,686.90x = 175,201,530.47
  5. Step 5: Solve for x
    x = 175,201,530.47/17,686.90
  6. Step 6: Final answer
    x = 9,905.72

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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.