Home / 16,206.85-24,309.60-5,121.51

Finding the Fourth Proportional to 16,206.85, 24,309.60 and 5,121.51

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Solution

The fourth proportional to 16,206.85, 24,309.60 and 5,121.51 is: 7,682.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,206.85 : 24,309.60 = 5,121.51 : x
  2. Step 2: Convert to fraction form
    16,206.85/24,309.60 = 5,121.51/x
  3. Step 3: Cross multiply
    16,206.85x = 24,309.60 × 5,121.51
  4. Step 4: Simplify right side
    16,206.85x = 124,501,859.50
  5. Step 5: Solve for x
    x = 124,501,859.50/16,206.85
  6. Step 6: Final answer
    x = 7,682.05

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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.