Home / 13,886.91-20,834.69-4,027.59

Finding the Fourth Proportional to 13,886.91, 20,834.69 and 4,027.59

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Solution

The fourth proportional to 13,886.91, 20,834.69 and 4,027.59 is: 6,042.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.91 : 20,834.69 = 4,027.59 : x
  2. Step 2: Convert to fraction form
    13,886.91/20,834.69 = 4,027.59/x
  3. Step 3: Cross multiply
    13,886.91x = 20,834.69 × 4,027.59
  4. Step 4: Simplify right side
    13,886.91x = 83,913,568.96
  5. Step 5: Solve for x
    x = 83,913,568.96/13,886.91
  6. Step 6: Final answer
    x = 6,042.64

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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.