Home / 18,298.68-25,249.44-10,340.84

Finding the Fourth Proportional to 18,298.68, 25,249.44 and 10,340.84

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Solution

The fourth proportional to 18,298.68, 25,249.44 and 10,340.84 is: 14,268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.68 : 25,249.44 = 10,340.84 : x
  2. Step 2: Convert to fraction form
    18,298.68/25,249.44 = 10,340.84/x
  3. Step 3: Cross multiply
    18,298.68x = 25,249.44 × 10,340.84
  4. Step 4: Simplify right side
    18,298.68x = 261,100,419.13
  5. Step 5: Solve for x
    x = 261,100,419.13/18,298.68
  6. Step 6: Final answer
    x = 14,268.81

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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.