Home / 17,073.07-23,579.09-15,217.77

Finding the Fourth Proportional to 17,073.07, 23,579.09 and 15,217.77

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Solution

The fourth proportional to 17,073.07, 23,579.09 and 15,217.77 is: 21,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,073.07 : 23,579.09 = 15,217.77 : x
  2. Step 2: Convert to fraction form
    17,073.07/23,579.09 = 15,217.77/x
  3. Step 3: Cross multiply
    17,073.07x = 23,579.09 × 15,217.77
  4. Step 4: Simplify right side
    17,073.07x = 358,821,168.43
  5. Step 5: Solve for x
    x = 358,821,168.43/17,073.07
  6. Step 6: Final answer
    x = 21,016.79

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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.