Home / 28,325.34-42,493.14-11,676.15

Finding the Fourth Proportional to 28,325.34, 42,493.14 and 11,676.15

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Solution

The fourth proportional to 28,325.34, 42,493.14 and 11,676.15 is: 17,516.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325.34 : 42,493.14 = 11,676.15 : x
  2. Step 2: Convert to fraction form
    28,325.34/42,493.14 = 11,676.15/x
  3. Step 3: Cross multiply
    28,325.34x = 42,493.14 × 11,676.15
  4. Step 4: Simplify right side
    28,325.34x = 496,156,276.61
  5. Step 5: Solve for x
    x = 496,156,276.61/28,325.34
  6. Step 6: Final answer
    x = 17,516.34

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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.