Home / 17,661.05-24,372.26-9,703.79

Finding the Fourth Proportional to 17,661.05, 24,372.26 and 9,703.79

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Solution

The fourth proportional to 17,661.05, 24,372.26 and 9,703.79 is: 13,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.05 : 24,372.26 = 9,703.79 : x
  2. Step 2: Convert to fraction form
    17,661.05/24,372.26 = 9,703.79/x
  3. Step 3: Cross multiply
    17,661.05x = 24,372.26 × 9,703.79
  4. Step 4: Simplify right side
    17,661.05x = 236,503,292.87
  5. Step 5: Solve for x
    x = 236,503,292.87/17,661.05
  6. Step 6: Final answer
    x = 13,391.24

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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.