Home / 16,432.50-24,648.78-4,120.50

Finding the Fourth Proportional to 16,432.50, 24,648.78 and 4,120.50

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Solution

The fourth proportional to 16,432.50, 24,648.78 and 4,120.50 is: 6,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,432.50 : 24,648.78 = 4,120.50 : x
  2. Step 2: Convert to fraction form
    16,432.50/24,648.78 = 4,120.50/x
  3. Step 3: Cross multiply
    16,432.50x = 24,648.78 × 4,120.50
  4. Step 4: Simplify right side
    16,432.50x = 101,565,297.99
  5. Step 5: Solve for x
    x = 101,565,297.99/16,432.50
  6. Step 6: Final answer
    x = 6,180.76

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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.