Home / 14,918.38-20,586.97-8,204.70

Finding the Fourth Proportional to 14,918.38, 20,586.97 and 8,204.70

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Solution

The fourth proportional to 14,918.38, 20,586.97 and 8,204.70 is: 11,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.38 : 20,586.97 = 8,204.70 : x
  2. Step 2: Convert to fraction form
    14,918.38/20,586.97 = 8,204.70/x
  3. Step 3: Cross multiply
    14,918.38x = 20,586.97 × 8,204.70
  4. Step 4: Simplify right side
    14,918.38x = 168,909,789.31
  5. Step 5: Solve for x
    x = 168,909,789.31/14,918.38
  6. Step 6: Final answer
    x = 11,322.26

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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.