Home / 14,375.89-21,563.93-5,015.87

Finding the Fourth Proportional to 14,375.89, 21,563.93 and 5,015.87

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Solution

The fourth proportional to 14,375.89, 21,563.93 and 5,015.87 is: 7,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.89 : 21,563.93 = 5,015.87 : x
  2. Step 2: Convert to fraction form
    14,375.89/21,563.93 = 5,015.87/x
  3. Step 3: Cross multiply
    14,375.89x = 21,563.93 × 5,015.87
  4. Step 4: Simplify right side
    14,375.89x = 108,161,869.57
  5. Step 5: Solve for x
    x = 108,161,869.57/14,375.89
  6. Step 6: Final answer
    x = 7,523.84

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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.