Home / 21,924.36-32,890.70-7,132.04

Finding the Fourth Proportional to 21,924.36, 32,890.70 and 7,132.04

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Solution

The fourth proportional to 21,924.36, 32,890.70 and 7,132.04 is: 10,699.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.36 : 32,890.70 = 7,132.04 : x
  2. Step 2: Convert to fraction form
    21,924.36/32,890.70 = 7,132.04/x
  3. Step 3: Cross multiply
    21,924.36x = 32,890.70 × 7,132.04
  4. Step 4: Simplify right side
    21,924.36x = 234,577,788.03
  5. Step 5: Solve for x
    x = 234,577,788.03/21,924.36
  6. Step 6: Final answer
    x = 10,699.41

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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.