Home / 29,198.04-40,286.70-18,603.24

Finding the Fourth Proportional to 29,198.04, 40,286.70 and 18,603.24

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Solution

The fourth proportional to 29,198.04, 40,286.70 and 18,603.24 is: 25,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,198.04 : 40,286.70 = 18,603.24 : x
  2. Step 2: Convert to fraction form
    29,198.04/40,286.70 = 18,603.24/x
  3. Step 3: Cross multiply
    29,198.04x = 40,286.70 × 18,603.24
  4. Step 4: Simplify right side
    29,198.04x = 749,463,148.91
  5. Step 5: Solve for x
    x = 749,463,148.91/29,198.04
  6. Step 6: Final answer
    x = 25,668.27

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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.