Home / 16,833.36-23,229.90-9,280

Finding the Fourth Proportional to 16,833.36, 23,229.90 and 9,280

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Solution

The fourth proportional to 16,833.36, 23,229.90 and 9,280 is: 12,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,833.36 : 23,229.90 = 9,280 : x
  2. Step 2: Convert to fraction form
    16,833.36/23,229.90 = 9,280/x
  3. Step 3: Cross multiply
    16,833.36x = 23,229.90 × 9,280
  4. Step 4: Simplify right side
    16,833.36x = 215,573,472
  5. Step 5: Solve for x
    x = 215,573,472/16,833.36
  6. Step 6: Final answer
    x = 12,806.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.