Home / 17,157.10-23,668.36-10,791.42

Finding the Fourth Proportional to 17,157.10, 23,668.36 and 10,791.42

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Solution

The fourth proportional to 17,157.10, 23,668.36 and 10,791.42 is: 14,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.10 : 23,668.36 = 10,791.42 : x
  2. Step 2: Convert to fraction form
    17,157.10/23,668.36 = 10,791.42/x
  3. Step 3: Cross multiply
    17,157.10x = 23,668.36 × 10,791.42
  4. Step 4: Simplify right side
    17,157.10x = 255,415,213.47
  5. Step 5: Solve for x
    x = 255,415,213.47/17,157.10
  6. Step 6: Final answer
    x = 14,886.85

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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.