Home / 13,807.62-20,694.78-5,037.72

Finding the Fourth Proportional to 13,807.62, 20,694.78 and 5,037.72

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Solution

The fourth proportional to 13,807.62, 20,694.78 and 5,037.72 is: 7,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.62 : 20,694.78 = 5,037.72 : x
  2. Step 2: Convert to fraction form
    13,807.62/20,694.78 = 5,037.72/x
  3. Step 3: Cross multiply
    13,807.62x = 20,694.78 × 5,037.72
  4. Step 4: Simplify right side
    13,807.62x = 104,254,507.10
  5. Step 5: Solve for x
    x = 104,254,507.10/13,807.62
  6. Step 6: Final answer
    x = 7,550.51

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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.