Home / 18,354.01-25,322.51-10,286.48

Finding the Fourth Proportional to 18,354.01, 25,322.51 and 10,286.48

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Solution

The fourth proportional to 18,354.01, 25,322.51 and 10,286.48 is: 14,191.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.01 : 25,322.51 = 10,286.48 : x
  2. Step 2: Convert to fraction form
    18,354.01/25,322.51 = 10,286.48/x
  3. Step 3: Cross multiply
    18,354.01x = 25,322.51 × 10,286.48
  4. Step 4: Simplify right side
    18,354.01x = 260,479,571.31
  5. Step 5: Solve for x
    x = 260,479,571.31/18,354.01
  6. Step 6: Final answer
    x = 14,191.97

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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.