Home / 17,769.18-26,639.37-7,388.70

Finding the Fourth Proportional to 17,769.18, 26,639.37 and 7,388.70

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Solution

The fourth proportional to 17,769.18, 26,639.37 and 7,388.70 is: 11,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,769.18 : 26,639.37 = 7,388.70 : x
  2. Step 2: Convert to fraction form
    17,769.18/26,639.37 = 7,388.70/x
  3. Step 3: Cross multiply
    17,769.18x = 26,639.37 × 7,388.70
  4. Step 4: Simplify right side
    17,769.18x = 196,830,313.12
  5. Step 5: Solve for x
    x = 196,830,313.12/17,769.18
  6. Step 6: Final answer
    x = 11,077.06

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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.