Home / 16,771.08-25,159.66-13,678.50

Finding the Fourth Proportional to 16,771.08, 25,159.66 and 13,678.50

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Solution

The fourth proportional to 16,771.08, 25,159.66 and 13,678.50 is: 20,520.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.08 : 25,159.66 = 13,678.50 : x
  2. Step 2: Convert to fraction form
    16,771.08/25,159.66 = 13,678.50/x
  3. Step 3: Cross multiply
    16,771.08x = 25,159.66 × 13,678.50
  4. Step 4: Simplify right side
    16,771.08x = 344,146,409.31
  5. Step 5: Solve for x
    x = 344,146,409.31/16,771.08
  6. Step 6: Final answer
    x = 20,520.23

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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.