Home / 19,469.28-26,858.24-12,752

Finding the Fourth Proportional to 19,469.28, 26,858.24 and 12,752

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Solution

The fourth proportional to 19,469.28, 26,858.24 and 12,752 is: 17,591.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469.28 : 26,858.24 = 12,752 : x
  2. Step 2: Convert to fraction form
    19,469.28/26,858.24 = 12,752/x
  3. Step 3: Cross multiply
    19,469.28x = 26,858.24 × 12,752
  4. Step 4: Simplify right side
    19,469.28x = 342,496,276.48
  5. Step 5: Solve for x
    x = 342,496,276.48/19,469.28
  6. Step 6: Final answer
    x = 17,591.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.