Home / 25,553.30-38,336.33-8,913.57

Finding the Fourth Proportional to 25,553.30, 38,336.33 and 8,913.57

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Solution

The fourth proportional to 25,553.30, 38,336.33 and 8,913.57 is: 13,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,553.30 : 38,336.33 = 8,913.57 : x
  2. Step 2: Convert to fraction form
    25,553.30/38,336.33 = 8,913.57/x
  3. Step 3: Cross multiply
    25,553.30x = 38,336.33 × 8,913.57
  4. Step 4: Simplify right side
    25,553.30x = 341,713,516.43
  5. Step 5: Solve for x
    x = 341,713,516.43/25,553.30
  6. Step 6: Final answer
    x = 13,372.58

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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.