Home / 13,924.64-20,886.66-3,394.74

Finding the Fourth Proportional to 13,924.64, 20,886.66 and 3,394.74

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Solution

The fourth proportional to 13,924.64, 20,886.66 and 3,394.74 is: 5,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.64 : 20,886.66 = 3,394.74 : x
  2. Step 2: Convert to fraction form
    13,924.64/20,886.66 = 3,394.74/x
  3. Step 3: Cross multiply
    13,924.64x = 20,886.66 × 3,394.74
  4. Step 4: Simplify right side
    13,924.64x = 70,904,858.49
  5. Step 5: Solve for x
    x = 70,904,858.49/13,924.64
  6. Step 6: Final answer
    x = 5,092.04

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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.