Home / 18,734.35-25,853.64-10,236.43

Finding the Fourth Proportional to 18,734.35, 25,853.64 and 10,236.43

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Solution

The fourth proportional to 18,734.35, 25,853.64 and 10,236.43 is: 14,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.35 : 25,853.64 = 10,236.43 : x
  2. Step 2: Convert to fraction form
    18,734.35/25,853.64 = 10,236.43/x
  3. Step 3: Cross multiply
    18,734.35x = 25,853.64 × 10,236.43
  4. Step 4: Simplify right side
    18,734.35x = 264,648,976.11
  5. Step 5: Solve for x
    x = 264,648,976.11/18,734.35
  6. Step 6: Final answer
    x = 14,126.40

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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.