Home / 25,372.96-35,000.40-17,908

Finding the Fourth Proportional to 25,372.96, 35,000.40 and 17,908

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Solution

The fourth proportional to 25,372.96, 35,000.40 and 17,908 is: 24,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,372.96 : 35,000.40 = 17,908 : x
  2. Step 2: Convert to fraction form
    25,372.96/35,000.40 = 17,908/x
  3. Step 3: Cross multiply
    25,372.96x = 35,000.40 × 17,908
  4. Step 4: Simplify right side
    25,372.96x = 626,787,163.20
  5. Step 5: Solve for x
    x = 626,787,163.20/25,372.96
  6. Step 6: Final answer
    x = 24,702.96

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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.