Home / 17,331.15-23,940.69-13,401.84

Finding the Fourth Proportional to 17,331.15, 23,940.69 and 13,401.84

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Solution

The fourth proportional to 17,331.15, 23,940.69 and 13,401.84 is: 18,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,331.15 : 23,940.69 = 13,401.84 : x
  2. Step 2: Convert to fraction form
    17,331.15/23,940.69 = 13,401.84/x
  3. Step 3: Cross multiply
    17,331.15x = 23,940.69 × 13,401.84
  4. Step 4: Simplify right side
    17,331.15x = 320,849,296.87
  5. Step 5: Solve for x
    x = 320,849,296.87/17,331.15
  6. Step 6: Final answer
    x = 18,512.87

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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.