Home / 21,948.74-32,924.17-7,157.64

Finding the Fourth Proportional to 21,948.74, 32,924.17 and 7,157.64

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Solution

The fourth proportional to 21,948.74, 32,924.17 and 7,157.64 is: 10,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.74 : 32,924.17 = 7,157.64 : x
  2. Step 2: Convert to fraction form
    21,948.74/32,924.17 = 7,157.64/x
  3. Step 3: Cross multiply
    21,948.74x = 32,924.17 × 7,157.64
  4. Step 4: Simplify right side
    21,948.74x = 235,659,356.16
  5. Step 5: Solve for x
    x = 235,659,356.16/21,948.74
  6. Step 6: Final answer
    x = 10,736.81

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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.