Home / 13,933.34-20,898.09-5,167.04

Finding the Fourth Proportional to 13,933.34, 20,898.09 and 5,167.04

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Solution

The fourth proportional to 13,933.34, 20,898.09 and 5,167.04 is: 7,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.34 : 20,898.09 = 5,167.04 : x
  2. Step 2: Convert to fraction form
    13,933.34/20,898.09 = 5,167.04/x
  3. Step 3: Cross multiply
    13,933.34x = 20,898.09 × 5,167.04
  4. Step 4: Simplify right side
    13,933.34x = 107,981,266.95
  5. Step 5: Solve for x
    x = 107,981,266.95/13,933.34
  6. Step 6: Final answer
    x = 7,749.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.