Home / 13,886.20-20,834.70-6,089.52

Finding the Fourth Proportional to 13,886.20, 20,834.70 and 6,089.52

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Solution

The fourth proportional to 13,886.20, 20,834.70 and 6,089.52 is: 9,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.20 : 20,834.70 = 6,089.52 : x
  2. Step 2: Convert to fraction form
    13,886.20/20,834.70 = 6,089.52/x
  3. Step 3: Cross multiply
    13,886.20x = 20,834.70 × 6,089.52
  4. Step 4: Simplify right side
    13,886.20x = 126,873,322.34
  5. Step 5: Solve for x
    x = 126,873,322.34/13,886.20
  6. Step 6: Final answer
    x = 9,136.65

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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.