Home / 19,961.16-29,937.56-5,921.32

Finding the Fourth Proportional to 19,961.16, 29,937.56 and 5,921.32

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Solution

The fourth proportional to 19,961.16, 29,937.56 and 5,921.32 is: 8,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.16 : 29,937.56 = 5,921.32 : x
  2. Step 2: Convert to fraction form
    19,961.16/29,937.56 = 5,921.32/x
  3. Step 3: Cross multiply
    19,961.16x = 29,937.56 × 5,921.32
  4. Step 4: Simplify right side
    19,961.16x = 177,269,872.78
  5. Step 5: Solve for x
    x = 177,269,872.78/19,961.16
  6. Step 6: Final answer
    x = 8,880.74

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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.