Home / 16,376.64-24,567.12-5,279.68

Finding the Fourth Proportional to 16,376.64, 24,567.12 and 5,279.68

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Solution

The fourth proportional to 16,376.64, 24,567.12 and 5,279.68 is: 7,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,376.64 : 24,567.12 = 5,279.68 : x
  2. Step 2: Convert to fraction form
    16,376.64/24,567.12 = 5,279.68/x
  3. Step 3: Cross multiply
    16,376.64x = 24,567.12 × 5,279.68
  4. Step 4: Simplify right side
    16,376.64x = 129,706,532.12
  5. Step 5: Solve for x
    x = 129,706,532.12/16,376.64
  6. Step 6: Final answer
    x = 7,920.22

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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.