Home / 16,823.04-25,233.76-5,135.36

Finding the Fourth Proportional to 16,823.04, 25,233.76 and 5,135.36

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Solution

The fourth proportional to 16,823.04, 25,233.76 and 5,135.36 is: 7,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.04 : 25,233.76 = 5,135.36 : x
  2. Step 2: Convert to fraction form
    16,823.04/25,233.76 = 5,135.36/x
  3. Step 3: Cross multiply
    16,823.04x = 25,233.76 × 5,135.36
  4. Step 4: Simplify right side
    16,823.04x = 129,584,441.75
  5. Step 5: Solve for x
    x = 129,584,441.75/16,823.04
  6. Step 6: Final answer
    x = 7,702.80

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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.