Home / 25,695.89-38,556.40-11,665.07

Finding the Fourth Proportional to 25,695.89, 38,556.40 and 11,665.07

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Solution

The fourth proportional to 25,695.89, 38,556.40 and 11,665.07 is: 17,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.89 : 38,556.40 = 11,665.07 : x
  2. Step 2: Convert to fraction form
    25,695.89/38,556.40 = 11,665.07/x
  3. Step 3: Cross multiply
    25,695.89x = 38,556.40 × 11,665.07
  4. Step 4: Simplify right side
    25,695.89x = 449,763,046.62
  5. Step 5: Solve for x
    x = 449,763,046.62/25,695.89
  6. Step 6: Final answer
    x = 17,503.31

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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.