Home / 19,564.34-26,989.82-11,603.66

Finding the Fourth Proportional to 19,564.34, 26,989.82 and 11,603.66

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Solution

The fourth proportional to 19,564.34, 26,989.82 and 11,603.66 is: 16,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,564.34 : 26,989.82 = 11,603.66 : x
  2. Step 2: Convert to fraction form
    19,564.34/26,989.82 = 11,603.66/x
  3. Step 3: Cross multiply
    19,564.34x = 26,989.82 × 11,603.66
  4. Step 4: Simplify right side
    19,564.34x = 313,180,694.74
  5. Step 5: Solve for x
    x = 313,180,694.74/19,564.34
  6. Step 6: Final answer
    x = 16,007.73

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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.