Home / 13,900.60-20,852.27-4,039.96

Finding the Fourth Proportional to 13,900.60, 20,852.27 and 4,039.96

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Solution

The fourth proportional to 13,900.60, 20,852.27 and 4,039.96 is: 6,060.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.60 : 20,852.27 = 4,039.96 : x
  2. Step 2: Convert to fraction form
    13,900.60/20,852.27 = 4,039.96/x
  3. Step 3: Cross multiply
    13,900.60x = 20,852.27 × 4,039.96
  4. Step 4: Simplify right side
    13,900.60x = 84,242,336.71
  5. Step 5: Solve for x
    x = 84,242,336.71/13,900.60
  6. Step 6: Final answer
    x = 6,060.34

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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.