Home / 23,609.86-35,436.66-11,931.28

Finding the Fourth Proportional to 23,609.86, 35,436.66 and 11,931.28

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Solution

The fourth proportional to 23,609.86, 35,436.66 and 11,931.28 is: 17,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,609.86 : 35,436.66 = 11,931.28 : x
  2. Step 2: Convert to fraction form
    23,609.86/35,436.66 = 11,931.28/x
  3. Step 3: Cross multiply
    23,609.86x = 35,436.66 × 11,931.28
  4. Step 4: Simplify right side
    23,609.86x = 422,804,712.72
  5. Step 5: Solve for x
    x = 422,804,712.72/23,609.86
  6. Step 6: Final answer
    x = 17,907.97

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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.