Home / 18,803.14-25,941.47-11,249.69

Finding the Fourth Proportional to 18,803.14, 25,941.47 and 11,249.69

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Solution

The fourth proportional to 18,803.14, 25,941.47 and 11,249.69 is: 15,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803.14 : 25,941.47 = 11,249.69 : x
  2. Step 2: Convert to fraction form
    18,803.14/25,941.47 = 11,249.69/x
  3. Step 3: Cross multiply
    18,803.14x = 25,941.47 × 11,249.69
  4. Step 4: Simplify right side
    18,803.14x = 291,833,309.69
  5. Step 5: Solve for x
    x = 291,833,309.69/18,803.14
  6. Step 6: Final answer
    x = 15,520.46

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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.