Home / 21,724.74-32,582.16-6,143.58

Finding the Fourth Proportional to 21,724.74, 32,582.16 and 6,143.58

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Solution

The fourth proportional to 21,724.74, 32,582.16 and 6,143.58 is: 9,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724.74 : 32,582.16 = 6,143.58 : x
  2. Step 2: Convert to fraction form
    21,724.74/32,582.16 = 6,143.58/x
  3. Step 3: Cross multiply
    21,724.74x = 32,582.16 × 6,143.58
  4. Step 4: Simplify right side
    21,724.74x = 200,171,106.53
  5. Step 5: Solve for x
    x = 200,171,106.53/21,724.74
  6. Step 6: Final answer
    x = 9,213.97

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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.