Home / 18,864.96-28,297.15-4,824.87

Finding the Fourth Proportional to 18,864.96, 28,297.15 and 4,824.87

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Solution

The fourth proportional to 18,864.96, 28,297.15 and 4,824.87 is: 7,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.96 : 28,297.15 = 4,824.87 : x
  2. Step 2: Convert to fraction form
    18,864.96/28,297.15 = 4,824.87/x
  3. Step 3: Cross multiply
    18,864.96x = 28,297.15 × 4,824.87
  4. Step 4: Simplify right side
    18,864.96x = 136,529,982.48
  5. Step 5: Solve for x
    x = 136,529,982.48/18,864.96
  6. Step 6: Final answer
    x = 7,237.22

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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.