Home / 19,302.26-28,944.14-9,429.98

Finding the Fourth Proportional to 19,302.26, 28,944.14 and 9,429.98

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Solution

The fourth proportional to 19,302.26, 28,944.14 and 9,429.98 is: 14,140.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.26 : 28,944.14 = 9,429.98 : x
  2. Step 2: Convert to fraction form
    19,302.26/28,944.14 = 9,429.98/x
  3. Step 3: Cross multiply
    19,302.26x = 28,944.14 × 9,429.98
  4. Step 4: Simplify right side
    19,302.26x = 272,942,469.45
  5. Step 5: Solve for x
    x = 272,942,469.45/19,302.26
  6. Step 6: Final answer
    x = 14,140.44

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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.