Home / 25,708.20-38,576.70-10,914.60

Finding the Fourth Proportional to 25,708.20, 38,576.70 and 10,914.60

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Solution

The fourth proportional to 25,708.20, 38,576.70 and 10,914.60 is: 16,378.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708.20 : 38,576.70 = 10,914.60 : x
  2. Step 2: Convert to fraction form
    25,708.20/38,576.70 = 10,914.60/x
  3. Step 3: Cross multiply
    25,708.20x = 38,576.70 × 10,914.60
  4. Step 4: Simplify right side
    25,708.20x = 421,049,249.82
  5. Step 5: Solve for x
    x = 421,049,249.82/25,708.20
  6. Step 6: Final answer
    x = 16,378.01

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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.