Home / 19,299.36-28,910.64-9,409.76

Finding the Fourth Proportional to 19,299.36, 28,910.64 and 9,409.76

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Solution

The fourth proportional to 19,299.36, 28,910.64 and 9,409.76 is: 14,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.36 : 28,910.64 = 9,409.76 : x
  2. Step 2: Convert to fraction form
    19,299.36/28,910.64 = 9,409.76/x
  3. Step 3: Cross multiply
    19,299.36x = 28,910.64 × 9,409.76
  4. Step 4: Simplify right side
    19,299.36x = 272,042,183.85
  5. Step 5: Solve for x
    x = 272,042,183.85/19,299.36
  6. Step 6: Final answer
    x = 14,095.92

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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.