Home / 16,551.60-24,805.80-7,665.90

Finding the Fourth Proportional to 16,551.60, 24,805.80 and 7,665.90

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Solution

The fourth proportional to 16,551.60, 24,805.80 and 7,665.90 is: 11,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,551.60 : 24,805.80 = 7,665.90 : x
  2. Step 2: Convert to fraction form
    16,551.60/24,805.80 = 7,665.90/x
  3. Step 3: Cross multiply
    16,551.60x = 24,805.80 × 7,665.90
  4. Step 4: Simplify right side
    16,551.60x = 190,158,782.22
  5. Step 5: Solve for x
    x = 190,158,782.22/16,551.60
  6. Step 6: Final answer
    x = 11,488.85

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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.