Home / 17,134.20-25,701.30-11,885.40

Finding the Fourth Proportional to 17,134.20, 25,701.30 and 11,885.40

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Solution

The fourth proportional to 17,134.20, 25,701.30 and 11,885.40 is: 17,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,134.20 : 25,701.30 = 11,885.40 : x
  2. Step 2: Convert to fraction form
    17,134.20/25,701.30 = 11,885.40/x
  3. Step 3: Cross multiply
    17,134.20x = 25,701.30 × 11,885.40
  4. Step 4: Simplify right side
    17,134.20x = 305,470,231.02
  5. Step 5: Solve for x
    x = 305,470,231.02/17,134.20
  6. Step 6: Final answer
    x = 17,828.10

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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.