Home / 18,742.14-25,864.11-10,785.93

Finding the Fourth Proportional to 18,742.14, 25,864.11 and 10,785.93

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Solution

The fourth proportional to 18,742.14, 25,864.11 and 10,785.93 is: 14,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.14 : 25,864.11 = 10,785.93 : x
  2. Step 2: Convert to fraction form
    18,742.14/25,864.11 = 10,785.93/x
  3. Step 3: Cross multiply
    18,742.14x = 25,864.11 × 10,785.93
  4. Step 4: Simplify right side
    18,742.14x = 278,968,479.97
  5. Step 5: Solve for x
    x = 278,968,479.97/18,742.14
  6. Step 6: Final answer
    x = 14,884.56

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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.