Home / 16,211.20-24,298.80-6,347.20

Finding the Fourth Proportional to 16,211.20, 24,298.80 and 6,347.20

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Solution

The fourth proportional to 16,211.20, 24,298.80 and 6,347.20 is: 9,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.20 : 24,298.80 = 6,347.20 : x
  2. Step 2: Convert to fraction form
    16,211.20/24,298.80 = 6,347.20/x
  3. Step 3: Cross multiply
    16,211.20x = 24,298.80 × 6,347.20
  4. Step 4: Simplify right side
    16,211.20x = 154,229,343.36
  5. Step 5: Solve for x
    x = 154,229,343.36/16,211.20
  6. Step 6: Final answer
    x = 9,513.75

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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.