Home / 18,734.13-25,853.84-10,776.34

Finding the Fourth Proportional to 18,734.13, 25,853.84 and 10,776.34

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Solution

The fourth proportional to 18,734.13, 25,853.84 and 10,776.34 is: 14,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.13 : 25,853.84 = 10,776.34 : x
  2. Step 2: Convert to fraction form
    18,734.13/25,853.84 = 10,776.34/x
  3. Step 3: Cross multiply
    18,734.13x = 25,853.84 × 10,776.34
  4. Step 4: Simplify right side
    18,734.13x = 278,609,770.15
  5. Step 5: Solve for x
    x = 278,609,770.15/18,734.13
  6. Step 6: Final answer
    x = 14,871.78

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1.5x scale

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.