Home / 13,153.90-19,732.17-3,794.15

Finding the Fourth Proportional to 13,153.90, 19,732.17 and 3,794.15

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Solution

The fourth proportional to 13,153.90, 19,732.17 and 3,794.15 is: 5,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.90 : 19,732.17 = 3,794.15 : x
  2. Step 2: Convert to fraction form
    13,153.90/19,732.17 = 3,794.15/x
  3. Step 3: Cross multiply
    13,153.90x = 19,732.17 × 3,794.15
  4. Step 4: Simplify right side
    13,153.90x = 74,866,812.81
  5. Step 5: Solve for x
    x = 74,866,812.81/13,153.90
  6. Step 6: Final answer
    x = 5,691.61

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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.