Home / 13,804.20-19,049.78-7,516.58

Finding the Fourth Proportional to 13,804.20, 19,049.78 and 7,516.58

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Solution

The fourth proportional to 13,804.20, 19,049.78 and 7,516.58 is: 10,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804.20 : 19,049.78 = 7,516.58 : x
  2. Step 2: Convert to fraction form
    13,804.20/19,049.78 = 7,516.58/x
  3. Step 3: Cross multiply
    13,804.20x = 19,049.78 × 7,516.58
  4. Step 4: Simplify right side
    13,804.20x = 143,189,195.35
  5. Step 5: Solve for x
    x = 143,189,195.35/13,804.20
  6. Step 6: Final answer
    x = 10,372.87

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1.5x scale

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.