Home / 19,118.64-28,677.96-5,972.04

Finding the Fourth Proportional to 19,118.64, 28,677.96 and 5,972.04

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Solution

The fourth proportional to 19,118.64, 28,677.96 and 5,972.04 is: 8,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.64 : 28,677.96 = 5,972.04 : x
  2. Step 2: Convert to fraction form
    19,118.64/28,677.96 = 5,972.04/x
  3. Step 3: Cross multiply
    19,118.64x = 28,677.96 × 5,972.04
  4. Step 4: Simplify right side
    19,118.64x = 171,265,924.24
  5. Step 5: Solve for x
    x = 171,265,924.24/19,118.64
  6. Step 6: Final answer
    x = 8,958.06

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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.