Home / 14,181.43-21,272.14-3,792.91

Finding the Fourth Proportional to 14,181.43, 21,272.14 and 3,792.91

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Solution

The fourth proportional to 14,181.43, 21,272.14 and 3,792.91 is: 5,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.43 : 21,272.14 = 3,792.91 : x
  2. Step 2: Convert to fraction form
    14,181.43/21,272.14 = 3,792.91/x
  3. Step 3: Cross multiply
    14,181.43x = 21,272.14 × 3,792.91
  4. Step 4: Simplify right side
    14,181.43x = 80,683,312.53
  5. Step 5: Solve for x
    x = 80,683,312.53/14,181.43
  6. Step 6: Final answer
    x = 5,689.36

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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.