Home / 14,122.26-19,489.14-7,834.50

Finding the Fourth Proportional to 14,122.26, 19,489.14 and 7,834.50

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Solution

The fourth proportional to 14,122.26, 19,489.14 and 7,834.50 is: 10,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.26 : 19,489.14 = 7,834.50 : x
  2. Step 2: Convert to fraction form
    14,122.26/19,489.14 = 7,834.50/x
  3. Step 3: Cross multiply
    14,122.26x = 19,489.14 × 7,834.50
  4. Step 4: Simplify right side
    14,122.26x = 152,687,667.33
  5. Step 5: Solve for x
    x = 152,687,667.33/14,122.26
  6. Step 6: Final answer
    x = 10,811.84

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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.