Home / 25,666.20-38,564.10-16,310.70

Finding the Fourth Proportional to 25,666.20, 38,564.10 and 16,310.70

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Solution

The fourth proportional to 25,666.20, 38,564.10 and 16,310.70 is: 24,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.20 : 38,564.10 = 16,310.70 : x
  2. Step 2: Convert to fraction form
    25,666.20/38,564.10 = 16,310.70/x
  3. Step 3: Cross multiply
    25,666.20x = 38,564.10 × 16,310.70
  4. Step 4: Simplify right side
    25,666.20x = 629,007,465.87
  5. Step 5: Solve for x
    x = 629,007,465.87/25,666.20
  6. Step 6: Final answer
    x = 24,507.23

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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.