Home / 18,249.63-25,184.55-9,866.19

Finding the Fourth Proportional to 18,249.63, 25,184.55 and 9,866.19

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Solution

The fourth proportional to 18,249.63, 25,184.55 and 9,866.19 is: 13,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.63 : 25,184.55 = 9,866.19 : x
  2. Step 2: Convert to fraction form
    18,249.63/25,184.55 = 9,866.19/x
  3. Step 3: Cross multiply
    18,249.63x = 25,184.55 × 9,866.19
  4. Step 4: Simplify right side
    18,249.63x = 248,475,380.11
  5. Step 5: Solve for x
    x = 248,475,380.11/18,249.63
  6. Step 6: Final answer
    x = 13,615.37

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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.