Home / 21,815.79-32,724.36-6,021.09

Finding the Fourth Proportional to 21,815.79, 32,724.36 and 6,021.09

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Solution

The fourth proportional to 21,815.79, 32,724.36 and 6,021.09 is: 9,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,815.79 : 32,724.36 = 6,021.09 : x
  2. Step 2: Convert to fraction form
    21,815.79/32,724.36 = 6,021.09/x
  3. Step 3: Cross multiply
    21,815.79x = 32,724.36 × 6,021.09
  4. Step 4: Simplify right side
    21,815.79x = 197,036,316.75
  5. Step 5: Solve for x
    x = 197,036,316.75/21,815.79
  6. Step 6: Final answer
    x = 9,031.82

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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.