Home / 19,850.08-29,772.44-10,981.84

Finding the Fourth Proportional to 19,850.08, 29,772.44 and 10,981.84

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Solution

The fourth proportional to 19,850.08, 29,772.44 and 10,981.84 is: 16,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.08 : 29,772.44 = 10,981.84 : x
  2. Step 2: Convert to fraction form
    19,850.08/29,772.44 = 10,981.84/x
  3. Step 3: Cross multiply
    19,850.08x = 29,772.44 × 10,981.84
  4. Step 4: Simplify right side
    19,850.08x = 326,956,172.49
  5. Step 5: Solve for x
    x = 326,956,172.49/19,850.08
  6. Step 6: Final answer
    x = 16,471.28

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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.