Home / 13,153.46-19,730.39-3,794.31

Finding the Fourth Proportional to 13,153.46, 19,730.39 and 3,794.31

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Solution

The fourth proportional to 13,153.46, 19,730.39 and 3,794.31 is: 5,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.46 : 19,730.39 = 3,794.31 : x
  2. Step 2: Convert to fraction form
    13,153.46/19,730.39 = 3,794.31/x
  3. Step 3: Cross multiply
    13,153.46x = 19,730.39 × 3,794.31
  4. Step 4: Simplify right side
    13,153.46x = 74,863,197.11
  5. Step 5: Solve for x
    x = 74,863,197.11/13,153.46
  6. Step 6: Final answer
    x = 5,691.52

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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.