Home / 16,085.10-24,129.45-4,991.70

Finding the Fourth Proportional to 16,085.10, 24,129.45 and 4,991.70

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Solution

The fourth proportional to 16,085.10, 24,129.45 and 4,991.70 is: 7,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,085.10 : 24,129.45 = 4,991.70 : x
  2. Step 2: Convert to fraction form
    16,085.10/24,129.45 = 4,991.70/x
  3. Step 3: Cross multiply
    16,085.10x = 24,129.45 × 4,991.70
  4. Step 4: Simplify right side
    16,085.10x = 120,446,975.57
  5. Step 5: Solve for x
    x = 120,446,975.57/16,085.10
  6. Step 6: Final answer
    x = 7,488.11

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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.