Home / 21,866.96-32,724.81-17,872.04

Finding the Fourth Proportional to 21,866.96, 32,724.81 and 17,872.04

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Solution

The fourth proportional to 21,866.96, 32,724.81 and 17,872.04 is: 26,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,866.96 : 32,724.81 = 17,872.04 : x
  2. Step 2: Convert to fraction form
    21,866.96/32,724.81 = 17,872.04/x
  3. Step 3: Cross multiply
    21,866.96x = 32,724.81 × 17,872.04
  4. Step 4: Simplify right side
    21,866.96x = 584,859,195.12
  5. Step 5: Solve for x
    x = 584,859,195.12/21,866.96
  6. Step 6: Final answer
    x = 26,746.25

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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.