Home / 25,816.40-35,588.92-18,249.38

Finding the Fourth Proportional to 25,816.40, 35,588.92 and 18,249.38

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Solution

The fourth proportional to 25,816.40, 35,588.92 and 18,249.38 is: 25,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.40 : 35,588.92 = 18,249.38 : x
  2. Step 2: Convert to fraction form
    25,816.40/35,588.92 = 18,249.38/x
  3. Step 3: Cross multiply
    25,816.40x = 35,588.92 × 18,249.38
  4. Step 4: Simplify right side
    25,816.40x = 649,475,724.87
  5. Step 5: Solve for x
    x = 649,475,724.87/25,816.40
  6. Step 6: Final answer
    x = 25,157.49

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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.