Home / 17,724.28-26,561.56-12,770.60

Finding the Fourth Proportional to 17,724.28, 26,561.56 and 12,770.60

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Solution

The fourth proportional to 17,724.28, 26,561.56 and 12,770.60 is: 19,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,724.28 : 26,561.56 = 12,770.60 : x
  2. Step 2: Convert to fraction form
    17,724.28/26,561.56 = 12,770.60/x
  3. Step 3: Cross multiply
    17,724.28x = 26,561.56 × 12,770.60
  4. Step 4: Simplify right side
    17,724.28x = 339,207,058.14
  5. Step 5: Solve for x
    x = 339,207,058.14/17,724.28
  6. Step 6: Final answer
    x = 19,137.99

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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.