Home / 21,715.05-32,568.01-6,129.03

Finding the Fourth Proportional to 21,715.05, 32,568.01 and 6,129.03

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Solution

The fourth proportional to 21,715.05, 32,568.01 and 6,129.03 is: 9,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715.05 : 32,568.01 = 6,129.03 : x
  2. Step 2: Convert to fraction form
    21,715.05/32,568.01 = 6,129.03/x
  3. Step 3: Cross multiply
    21,715.05x = 32,568.01 × 6,129.03
  4. Step 4: Simplify right side
    21,715.05x = 199,610,310.33
  5. Step 5: Solve for x
    x = 199,610,310.33/21,715.05
  6. Step 6: Final answer
    x = 9,192.26

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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.