Home / 25,415.10-38,122.65-16,083.90

Finding the Fourth Proportional to 25,415.10, 38,122.65 and 16,083.90

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Solution

The fourth proportional to 25,415.10, 38,122.65 and 16,083.90 is: 24,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,415.10 : 38,122.65 = 16,083.90 : x
  2. Step 2: Convert to fraction form
    25,415.10/38,122.65 = 16,083.90/x
  3. Step 3: Cross multiply
    25,415.10x = 38,122.65 × 16,083.90
  4. Step 4: Simplify right side
    25,415.10x = 613,160,890.34
  5. Step 5: Solve for x
    x = 613,160,890.34/25,415.10
  6. Step 6: Final answer
    x = 24,125.85

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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.