Home / 16,533-24,764.40-12,379.32

Finding the Fourth Proportional to 16,533, 24,764.40 and 12,379.32

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Solution

The fourth proportional to 16,533, 24,764.40 and 12,379.32 is: 18,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,533 : 24,764.40 = 12,379.32 : x
  2. Step 2: Convert to fraction form
    16,533/24,764.40 = 12,379.32/x
  3. Step 3: Cross multiply
    16,533x = 24,764.40 × 12,379.32
  4. Step 4: Simplify right side
    16,533x = 306,566,432.21
  5. Step 5: Solve for x
    x = 306,566,432.21/16,533
  6. Step 6: Final answer
    x = 18,542.70

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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.