Home / 17,374.89-23,977.40-9,417.09

Finding the Fourth Proportional to 17,374.89, 23,977.40 and 9,417.09

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Solution

The fourth proportional to 17,374.89, 23,977.40 and 9,417.09 is: 12,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,374.89 : 23,977.40 = 9,417.09 : x
  2. Step 2: Convert to fraction form
    17,374.89/23,977.40 = 9,417.09/x
  3. Step 3: Cross multiply
    17,374.89x = 23,977.40 × 9,417.09
  4. Step 4: Simplify right side
    17,374.89x = 225,797,333.77
  5. Step 5: Solve for x
    x = 225,797,333.77/17,374.89
  6. Step 6: Final answer
    x = 12,995.61

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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.