Home / 18,734.39-25,854.44-10,777.81

Finding the Fourth Proportional to 18,734.39, 25,854.44 and 10,777.81

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Solution

The fourth proportional to 18,734.39, 25,854.44 and 10,777.81 is: 14,873.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.39 : 25,854.44 = 10,777.81 : x
  2. Step 2: Convert to fraction form
    18,734.39/25,854.44 = 10,777.81/x
  3. Step 3: Cross multiply
    18,734.39x = 25,854.44 × 10,777.81
  4. Step 4: Simplify right side
    18,734.39x = 278,654,232.55
  5. Step 5: Solve for x
    x = 278,654,232.55/18,734.39
  6. Step 6: Final answer
    x = 14,873.94

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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.