Home / 17,771.84-26,649.60-10,378.56

Finding the Fourth Proportional to 17,771.84, 26,649.60 and 10,378.56

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Solution

The fourth proportional to 17,771.84, 26,649.60 and 10,378.56 is: 15,563.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771.84 : 26,649.60 = 10,378.56 : x
  2. Step 2: Convert to fraction form
    17,771.84/26,649.60 = 10,378.56/x
  3. Step 3: Cross multiply
    17,771.84x = 26,649.60 × 10,378.56
  4. Step 4: Simplify right side
    17,771.84x = 276,584,472.58
  5. Step 5: Solve for x
    x = 276,584,472.58/17,771.84
  6. Step 6: Final answer
    x = 15,563.07

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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.