Home / 18,325.28-25,288.96-9,941.84

Finding the Fourth Proportional to 18,325.28, 25,288.96 and 9,941.84

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Solution

The fourth proportional to 18,325.28, 25,288.96 and 9,941.84 is: 13,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.28 : 25,288.96 = 9,941.84 : x
  2. Step 2: Convert to fraction form
    18,325.28/25,288.96 = 9,941.84/x
  3. Step 3: Cross multiply
    18,325.28x = 25,288.96 × 9,941.84
  4. Step 4: Simplify right side
    18,325.28x = 251,418,794.09
  5. Step 5: Solve for x
    x = 251,418,794.09/18,325.28
  6. Step 6: Final answer
    x = 13,719.78

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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.