Home / 13,917.08-20,870.45-6,020.74

Finding the Fourth Proportional to 13,917.08, 20,870.45 and 6,020.74

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Solution

The fourth proportional to 13,917.08, 20,870.45 and 6,020.74 is: 9,028.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.08 : 20,870.45 = 6,020.74 : x
  2. Step 2: Convert to fraction form
    13,917.08/20,870.45 = 6,020.74/x
  3. Step 3: Cross multiply
    13,917.08x = 20,870.45 × 6,020.74
  4. Step 4: Simplify right side
    13,917.08x = 125,655,571.70
  5. Step 5: Solve for x
    x = 125,655,571.70/13,917.08
  6. Step 6: Final answer
    x = 9,028.87

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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.