Home / 22,455.92-33,661.40-18,519.32

Finding the Fourth Proportional to 22,455.92, 33,661.40 and 18,519.32

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Solution

The fourth proportional to 22,455.92, 33,661.40 and 18,519.32 is: 27,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.92 : 33,661.40 = 18,519.32 : x
  2. Step 2: Convert to fraction form
    22,455.92/33,661.40 = 18,519.32/x
  3. Step 3: Cross multiply
    22,455.92x = 33,661.40 × 18,519.32
  4. Step 4: Simplify right side
    22,455.92x = 623,385,977.34
  5. Step 5: Solve for x
    x = 623,385,977.34/22,455.92
  6. Step 6: Final answer
    x = 27,760.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.