Home / 15,914.56-23,871.86-5,519

Finding the Fourth Proportional to 15,914.56, 23,871.86 and 5,519

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Solution

The fourth proportional to 15,914.56, 23,871.86 and 5,519 is: 8,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.56 : 23,871.86 = 5,519 : x
  2. Step 2: Convert to fraction form
    15,914.56/23,871.86 = 5,519/x
  3. Step 3: Cross multiply
    15,914.56x = 23,871.86 × 5,519
  4. Step 4: Simplify right side
    15,914.56x = 131,748,795.34
  5. Step 5: Solve for x
    x = 131,748,795.34/15,914.56
  6. Step 6: Final answer
    x = 8,278.51

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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.