Home / 15,811.08-23,716.62-4,124.21

Finding the Fourth Proportional to 15,811.08, 23,716.62 and 4,124.21

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Solution

The fourth proportional to 15,811.08, 23,716.62 and 4,124.21 is: 6,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811.08 : 23,716.62 = 4,124.21 : x
  2. Step 2: Convert to fraction form
    15,811.08/23,716.62 = 4,124.21/x
  3. Step 3: Cross multiply
    15,811.08x = 23,716.62 × 4,124.21
  4. Step 4: Simplify right side
    15,811.08x = 97,812,202.79
  5. Step 5: Solve for x
    x = 97,812,202.79/15,811.08
  6. Step 6: Final answer
    x = 6,186.31

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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.