Home / 25,839.48-35,662.38-15,773.78

Finding the Fourth Proportional to 25,839.48, 35,662.38 and 15,773.78

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Solution

The fourth proportional to 25,839.48, 35,662.38 and 15,773.78 is: 21,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,839.48 : 35,662.38 = 15,773.78 : x
  2. Step 2: Convert to fraction form
    25,839.48/35,662.38 = 15,773.78/x
  3. Step 3: Cross multiply
    25,839.48x = 35,662.38 × 15,773.78
  4. Step 4: Simplify right side
    25,839.48x = 562,530,358.08
  5. Step 5: Solve for x
    x = 562,530,358.08/25,839.48
  6. Step 6: Final answer
    x = 21,770.19

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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.