Home / 16,559.20-24,836.40-4,871.20

Finding the Fourth Proportional to 16,559.20, 24,836.40 and 4,871.20

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Solution

The fourth proportional to 16,559.20, 24,836.40 and 4,871.20 is: 7,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,559.20 : 24,836.40 = 4,871.20 : x
  2. Step 2: Convert to fraction form
    16,559.20/24,836.40 = 4,871.20/x
  3. Step 3: Cross multiply
    16,559.20x = 24,836.40 × 4,871.20
  4. Step 4: Simplify right side
    16,559.20x = 120,983,071.68
  5. Step 5: Solve for x
    x = 120,983,071.68/16,559.20
  6. Step 6: Final answer
    x = 7,306.09

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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.