Home / 17,682.11-24,401.49-9,724.39

Finding the Fourth Proportional to 17,682.11, 24,401.49 and 9,724.39

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Solution

The fourth proportional to 17,682.11, 24,401.49 and 9,724.39 is: 13,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,682.11 : 24,401.49 = 9,724.39 : x
  2. Step 2: Convert to fraction form
    17,682.11/24,401.49 = 9,724.39/x
  3. Step 3: Cross multiply
    17,682.11x = 24,401.49 × 9,724.39
  4. Step 4: Simplify right side
    17,682.11x = 237,289,605.34
  5. Step 5: Solve for x
    x = 237,289,605.34/17,682.11
  6. Step 6: Final answer
    x = 13,419.76

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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.