Home / 22,639.51-33,954.77-11,391.85

Finding the Fourth Proportional to 22,639.51, 33,954.77 and 11,391.85

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Solution

The fourth proportional to 22,639.51, 33,954.77 and 11,391.85 is: 17,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,639.51 : 33,954.77 = 11,391.85 : x
  2. Step 2: Convert to fraction form
    22,639.51/33,954.77 = 11,391.85/x
  3. Step 3: Cross multiply
    22,639.51x = 33,954.77 × 11,391.85
  4. Step 4: Simplify right side
    22,639.51x = 386,807,419.89
  5. Step 5: Solve for x
    x = 386,807,419.89/22,639.51
  6. Step 6: Final answer
    x = 17,085.51

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1.5x scale

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.