Home / 21,395.28-32,089.60-7,541.04

Finding the Fourth Proportional to 21,395.28, 32,089.60 and 7,541.04

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Solution

The fourth proportional to 21,395.28, 32,089.60 and 7,541.04 is: 11,310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.28 : 32,089.60 = 7,541.04 : x
  2. Step 2: Convert to fraction form
    21,395.28/32,089.60 = 7,541.04/x
  3. Step 3: Cross multiply
    21,395.28x = 32,089.60 × 7,541.04
  4. Step 4: Simplify right side
    21,395.28x = 241,988,957.18
  5. Step 5: Solve for x
    x = 241,988,957.18/21,395.28
  6. Step 6: Final answer
    x = 11,310.39

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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.