Home / 15,873.78-23,811.99-4,187.04

Finding the Fourth Proportional to 15,873.78, 23,811.99 and 4,187.04

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Solution

The fourth proportional to 15,873.78, 23,811.99 and 4,187.04 is: 6,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.78 : 23,811.99 = 4,187.04 : x
  2. Step 2: Convert to fraction form
    15,873.78/23,811.99 = 4,187.04/x
  3. Step 3: Cross multiply
    15,873.78x = 23,811.99 × 4,187.04
  4. Step 4: Simplify right side
    15,873.78x = 99,701,754.61
  5. Step 5: Solve for x
    x = 99,701,754.61/15,873.78
  6. Step 6: Final answer
    x = 6,280.91

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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.