Home / 17,690.60-26,532.66-7,160.06

Finding the Fourth Proportional to 17,690.60, 26,532.66 and 7,160.06

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Solution

The fourth proportional to 17,690.60, 26,532.66 and 7,160.06 is: 10,738.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.60 : 26,532.66 = 7,160.06 : x
  2. Step 2: Convert to fraction form
    17,690.60/26,532.66 = 7,160.06/x
  3. Step 3: Cross multiply
    17,690.60x = 26,532.66 × 7,160.06
  4. Step 4: Simplify right side
    17,690.60x = 189,975,437.56
  5. Step 5: Solve for x
    x = 189,975,437.56/17,690.60
  6. Step 6: Final answer
    x = 10,738.78

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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.