Home / 17,474.40-26,187.60-11,215.20

Finding the Fourth Proportional to 17,474.40, 26,187.60 and 11,215.20

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Solution

The fourth proportional to 17,474.40, 26,187.60 and 11,215.20 is: 16,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,474.40 : 26,187.60 = 11,215.20 : x
  2. Step 2: Convert to fraction form
    17,474.40/26,187.60 = 11,215.20/x
  3. Step 3: Cross multiply
    17,474.40x = 26,187.60 × 11,215.20
  4. Step 4: Simplify right side
    17,474.40x = 293,699,171.52
  5. Step 5: Solve for x
    x = 293,699,171.52/17,474.40
  6. Step 6: Final answer
    x = 16,807.40

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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.