Home / 21,693.28-32,541.84-6,111.04

Finding the Fourth Proportional to 21,693.28, 32,541.84 and 6,111.04

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Solution

The fourth proportional to 21,693.28, 32,541.84 and 6,111.04 is: 9,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693.28 : 32,541.84 = 6,111.04 : x
  2. Step 2: Convert to fraction form
    21,693.28/32,541.84 = 6,111.04/x
  3. Step 3: Cross multiply
    21,693.28x = 32,541.84 × 6,111.04
  4. Step 4: Simplify right side
    21,693.28x = 198,864,485.91
  5. Step 5: Solve for x
    x = 198,864,485.91/21,693.28
  6. Step 6: Final answer
    x = 9,167.10

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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.