Home / 13,949.10-20,926.71-4,088.43

Finding the Fourth Proportional to 13,949.10, 20,926.71 and 4,088.43

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Solution

The fourth proportional to 13,949.10, 20,926.71 and 4,088.43 is: 6,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.10 : 20,926.71 = 4,088.43 : x
  2. Step 2: Convert to fraction form
    13,949.10/20,926.71 = 4,088.43/x
  3. Step 3: Cross multiply
    13,949.10x = 20,926.71 × 4,088.43
  4. Step 4: Simplify right side
    13,949.10x = 85,557,388.97
  5. Step 5: Solve for x
    x = 85,557,388.97/13,949.10
  6. Step 6: Final answer
    x = 6,133.54

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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.