Home / 13,934.23-20,896.58-5,612.09

Finding the Fourth Proportional to 13,934.23, 20,896.58 and 5,612.09

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Solution

The fourth proportional to 13,934.23, 20,896.58 and 5,612.09 is: 8,416.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.23 : 20,896.58 = 5,612.09 : x
  2. Step 2: Convert to fraction form
    13,934.23/20,896.58 = 5,612.09/x
  3. Step 3: Cross multiply
    13,934.23x = 20,896.58 × 5,612.09
  4. Step 4: Simplify right side
    13,934.23x = 117,273,397.20
  5. Step 5: Solve for x
    x = 117,273,397.20/13,934.23
  6. Step 6: Final answer
    x = 8,416.21

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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.