Home / 13,900.41-20,854.50-5,586.26

Finding the Fourth Proportional to 13,900.41, 20,854.50 and 5,586.26

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Solution

The fourth proportional to 13,900.41, 20,854.50 and 5,586.26 is: 8,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.41 : 20,854.50 = 5,586.26 : x
  2. Step 2: Convert to fraction form
    13,900.41/20,854.50 = 5,586.26/x
  3. Step 3: Cross multiply
    13,900.41x = 20,854.50 × 5,586.26
  4. Step 4: Simplify right side
    13,900.41x = 116,498,659.17
  5. Step 5: Solve for x
    x = 116,498,659.17/13,900.41
  6. Step 6: Final answer
    x = 8,380.95

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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.