Home / 13,296.09-19,939.18-4,409.78

Finding the Fourth Proportional to 13,296.09, 19,939.18 and 4,409.78

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Solution

The fourth proportional to 13,296.09, 19,939.18 and 4,409.78 is: 6,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.09 : 19,939.18 = 4,409.78 : x
  2. Step 2: Convert to fraction form
    13,296.09/19,939.18 = 4,409.78/x
  3. Step 3: Cross multiply
    13,296.09x = 19,939.18 × 4,409.78
  4. Step 4: Simplify right side
    13,296.09x = 87,927,397.18
  5. Step 5: Solve for x
    x = 87,927,397.18/13,296.09
  6. Step 6: Final answer
    x = 6,613.03

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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.