Home / 15,821.76-23,730.88-4,135.04

Finding the Fourth Proportional to 15,821.76, 23,730.88 and 4,135.04

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Solution

The fourth proportional to 15,821.76, 23,730.88 and 4,135.04 is: 6,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.76 : 23,730.88 = 4,135.04 : x
  2. Step 2: Convert to fraction form
    15,821.76/23,730.88 = 4,135.04/x
  3. Step 3: Cross multiply
    15,821.76x = 23,730.88 × 4,135.04
  4. Step 4: Simplify right side
    15,821.76x = 98,128,138.04
  5. Step 5: Solve for x
    x = 98,128,138.04/15,821.76
  6. Step 6: Final answer
    x = 6,202.10

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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.