Home / 17,447.76-26,161.72-11,907.81

Finding the Fourth Proportional to 17,447.76, 26,161.72 and 11,907.81

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Solution

The fourth proportional to 17,447.76, 26,161.72 and 11,907.81 is: 17,854.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,447.76 : 26,161.72 = 11,907.81 : x
  2. Step 2: Convert to fraction form
    17,447.76/26,161.72 = 11,907.81/x
  3. Step 3: Cross multiply
    17,447.76x = 26,161.72 × 11,907.81
  4. Step 4: Simplify right side
    17,447.76x = 311,528,731.49
  5. Step 5: Solve for x
    x = 311,528,731.49/17,447.76
  6. Step 6: Final answer
    x = 17,854.95

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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.