Home / 23,111.60-34,668.36-19,243.28

Finding the Fourth Proportional to 23,111.60, 34,668.36 and 19,243.28

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Solution

The fourth proportional to 23,111.60, 34,668.36 and 19,243.28 is: 28,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111.60 : 34,668.36 = 19,243.28 : x
  2. Step 2: Convert to fraction form
    23,111.60/34,668.36 = 19,243.28/x
  3. Step 3: Cross multiply
    23,111.60x = 34,668.36 × 19,243.28
  4. Step 4: Simplify right side
    23,111.60x = 667,132,958.62
  5. Step 5: Solve for x
    x = 667,132,958.62/23,111.60
  6. Step 6: Final answer
    x = 28,865.72

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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.