Home / 14,909.08-20,575.62-8,940.62

Finding the Fourth Proportional to 14,909.08, 20,575.62 and 8,940.62

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Solution

The fourth proportional to 14,909.08, 20,575.62 and 8,940.62 is: 12,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.08 : 20,575.62 = 8,940.62 : x
  2. Step 2: Convert to fraction form
    14,909.08/20,575.62 = 8,940.62/x
  3. Step 3: Cross multiply
    14,909.08x = 20,575.62 × 8,940.62
  4. Step 4: Simplify right side
    14,909.08x = 183,958,799.68
  5. Step 5: Solve for x
    x = 183,958,799.68/14,909.08
  6. Step 6: Final answer
    x = 12,338.71

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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.