Home / 15,839.24-21,857.36-9,033.51

Finding the Fourth Proportional to 15,839.24, 21,857.36 and 9,033.51

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Solution

The fourth proportional to 15,839.24, 21,857.36 and 9,033.51 is: 12,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,839.24 : 21,857.36 = 9,033.51 : x
  2. Step 2: Convert to fraction form
    15,839.24/21,857.36 = 9,033.51/x
  3. Step 3: Cross multiply
    15,839.24x = 21,857.36 × 9,033.51
  4. Step 4: Simplify right side
    15,839.24x = 197,448,634.97
  5. Step 5: Solve for x
    x = 197,448,634.97/15,839.24
  6. Step 6: Final answer
    x = 12,465.79

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1.5x scale

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.