Home / 17,335.40-25,985.74-8,576.68

Finding the Fourth Proportional to 17,335.40, 25,985.74 and 8,576.68

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Solution

The fourth proportional to 17,335.40, 25,985.74 and 8,576.68 is: 12,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,335.40 : 25,985.74 = 8,576.68 : x
  2. Step 2: Convert to fraction form
    17,335.40/25,985.74 = 8,576.68/x
  3. Step 3: Cross multiply
    17,335.40x = 25,985.74 × 8,576.68
  4. Step 4: Simplify right side
    17,335.40x = 222,871,376.54
  5. Step 5: Solve for x
    x = 222,871,376.54/17,335.40
  6. Step 6: Final answer
    x = 12,856.43

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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.