Home / 18,219.23-25,149.59-14,241.62

Finding the Fourth Proportional to 18,219.23, 25,149.59 and 14,241.62

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Solution

The fourth proportional to 18,219.23, 25,149.59 and 14,241.62 is: 19,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.23 : 25,149.59 = 14,241.62 : x
  2. Step 2: Convert to fraction form
    18,219.23/25,149.59 = 14,241.62/x
  3. Step 3: Cross multiply
    18,219.23x = 25,149.59 × 14,241.62
  4. Step 4: Simplify right side
    18,219.23x = 358,170,949.01
  5. Step 5: Solve for x
    x = 358,170,949.01/18,219.23
  6. Step 6: Final answer
    x = 19,658.95

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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.