Home / 17,126.20-25,689.30-13,233.40

Finding the Fourth Proportional to 17,126.20, 25,689.30 and 13,233.40

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Solution

The fourth proportional to 17,126.20, 25,689.30 and 13,233.40 is: 19,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.20 : 25,689.30 = 13,233.40 : x
  2. Step 2: Convert to fraction form
    17,126.20/25,689.30 = 13,233.40/x
  3. Step 3: Cross multiply
    17,126.20x = 25,689.30 × 13,233.40
  4. Step 4: Simplify right side
    17,126.20x = 339,956,782.62
  5. Step 5: Solve for x
    x = 339,956,782.62/17,126.20
  6. Step 6: Final answer
    x = 19,850.10

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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.