Home / 18,766.72-25,897.80-10,268.64

Finding the Fourth Proportional to 18,766.72, 25,897.80 and 10,268.64

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Solution

The fourth proportional to 18,766.72, 25,897.80 and 10,268.64 is: 14,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.72 : 25,897.80 = 10,268.64 : x
  2. Step 2: Convert to fraction form
    18,766.72/25,897.80 = 10,268.64/x
  3. Step 3: Cross multiply
    18,766.72x = 25,897.80 × 10,268.64
  4. Step 4: Simplify right side
    18,766.72x = 265,935,184.99
  5. Step 5: Solve for x
    x = 265,935,184.99/18,766.72
  6. Step 6: Final answer
    x = 14,170.57

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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.