Home / 16,267.75-22,449.51-8,815.75

Finding the Fourth Proportional to 16,267.75, 22,449.51 and 8,815.75

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Solution

The fourth proportional to 16,267.75, 22,449.51 and 8,815.75 is: 12,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,267.75 : 22,449.51 = 8,815.75 : x
  2. Step 2: Convert to fraction form
    16,267.75/22,449.51 = 8,815.75/x
  3. Step 3: Cross multiply
    16,267.75x = 22,449.51 × 8,815.75
  4. Step 4: Simplify right side
    16,267.75x = 197,909,267.78
  5. Step 5: Solve for x
    x = 197,909,267.78/16,267.75
  6. Step 6: Final answer
    x = 12,165.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.