Home / 14,321.25-19,775.87-8,952.86

Finding the Fourth Proportional to 14,321.25, 19,775.87 and 8,952.86

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Solution

The fourth proportional to 14,321.25, 19,775.87 and 8,952.86 is: 12,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.25 : 19,775.87 = 8,952.86 : x
  2. Step 2: Convert to fraction form
    14,321.25/19,775.87 = 8,952.86/x
  3. Step 3: Cross multiply
    14,321.25x = 19,775.87 × 8,952.86
  4. Step 4: Simplify right side
    14,321.25x = 177,050,451.84
  5. Step 5: Solve for x
    x = 177,050,451.84/14,321.25
  6. Step 6: Final answer
    x = 12,362.78

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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.