Home / 19,977.32-29,970.58-5,937.04

Finding the Fourth Proportional to 19,977.32, 29,970.58 and 5,937.04

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Solution

The fourth proportional to 19,977.32, 29,970.58 and 5,937.04 is: 8,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.32 : 29,970.58 = 5,937.04 : x
  2. Step 2: Convert to fraction form
    19,977.32/29,970.58 = 5,937.04/x
  3. Step 3: Cross multiply
    19,977.32x = 29,970.58 × 5,937.04
  4. Step 4: Simplify right side
    19,977.32x = 177,936,532.28
  5. Step 5: Solve for x
    x = 177,936,532.28/19,977.32
  6. Step 6: Final answer
    x = 8,906.93

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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.