Home / 15,406.66-23,110.04-3,719.88

Finding the Fourth Proportional to 15,406.66, 23,110.04 and 3,719.88

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Solution

The fourth proportional to 15,406.66, 23,110.04 and 3,719.88 is: 5,579.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.66 : 23,110.04 = 3,719.88 : x
  2. Step 2: Convert to fraction form
    15,406.66/23,110.04 = 3,719.88/x
  3. Step 3: Cross multiply
    15,406.66x = 23,110.04 × 3,719.88
  4. Step 4: Simplify right side
    15,406.66x = 85,966,575.60
  5. Step 5: Solve for x
    x = 85,966,575.60/15,406.66
  6. Step 6: Final answer
    x = 5,579.83

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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.