Home / 18,675.77-25,772.43-10,177.90

Finding the Fourth Proportional to 18,675.77, 25,772.43 and 10,177.90

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Solution

The fourth proportional to 18,675.77, 25,772.43 and 10,177.90 is: 14,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.77 : 25,772.43 = 10,177.90 : x
  2. Step 2: Convert to fraction form
    18,675.77/25,772.43 = 10,177.90/x
  3. Step 3: Cross multiply
    18,675.77x = 25,772.43 × 10,177.90
  4. Step 4: Simplify right side
    18,675.77x = 262,309,276.75
  5. Step 5: Solve for x
    x = 262,309,276.75/18,675.77
  6. Step 6: Final answer
    x = 14,045.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.