Home / 14,909.06-20,574.15-8,194.61

Finding the Fourth Proportional to 14,909.06, 20,574.15 and 8,194.61

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Solution

The fourth proportional to 14,909.06, 20,574.15 and 8,194.61 is: 11,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.06 : 20,574.15 = 8,194.61 : x
  2. Step 2: Convert to fraction form
    14,909.06/20,574.15 = 8,194.61/x
  3. Step 3: Cross multiply
    14,909.06x = 20,574.15 × 8,194.61
  4. Step 4: Simplify right side
    14,909.06x = 168,597,135.33
  5. Step 5: Solve for x
    x = 168,597,135.33/14,909.06
  6. Step 6: Final answer
    x = 11,308.37

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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.