Home / 13,427.06-20,149.84-4,661.98

Finding the Fourth Proportional to 13,427.06, 20,149.84 and 4,661.98

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Solution

The fourth proportional to 13,427.06, 20,149.84 and 4,661.98 is: 6,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.06 : 20,149.84 = 4,661.98 : x
  2. Step 2: Convert to fraction form
    13,427.06/20,149.84 = 4,661.98/x
  3. Step 3: Cross multiply
    13,427.06x = 20,149.84 × 4,661.98
  4. Step 4: Simplify right side
    13,427.06x = 93,938,027.02
  5. Step 5: Solve for x
    x = 93,938,027.02/13,427.06
  6. Step 6: Final answer
    x = 6,996.17

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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.