Home / 14,569.09-20,104.70-8,195.57

Finding the Fourth Proportional to 14,569.09, 20,104.70 and 8,195.57

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Solution

The fourth proportional to 14,569.09, 20,104.70 and 8,195.57 is: 11,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569.09 : 20,104.70 = 8,195.57 : x
  2. Step 2: Convert to fraction form
    14,569.09/20,104.70 = 8,195.57/x
  3. Step 3: Cross multiply
    14,569.09x = 20,104.70 × 8,195.57
  4. Step 4: Simplify right side
    14,569.09x = 164,769,375.66
  5. Step 5: Solve for x
    x = 164,769,375.66/14,569.09
  6. Step 6: Final answer
    x = 11,309.52

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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.