Home / 17,770.78-26,655.36-5,923.72

Finding the Fourth Proportional to 17,770.78, 26,655.36 and 5,923.72

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Solution

The fourth proportional to 17,770.78, 26,655.36 and 5,923.72 is: 8,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,770.78 : 26,655.36 = 5,923.72 : x
  2. Step 2: Convert to fraction form
    17,770.78/26,655.36 = 5,923.72/x
  3. Step 3: Cross multiply
    17,770.78x = 26,655.36 × 5,923.72
  4. Step 4: Simplify right side
    17,770.78x = 157,898,889.14
  5. Step 5: Solve for x
    x = 157,898,889.14/17,770.78
  6. Step 6: Final answer
    x = 8,885.31

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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.