Home / 18,260.42-25,193.49-14,419.87

Finding the Fourth Proportional to 18,260.42, 25,193.49 and 14,419.87

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Solution

The fourth proportional to 18,260.42, 25,193.49 and 14,419.87 is: 19,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.42 : 25,193.49 = 14,419.87 : x
  2. Step 2: Convert to fraction form
    18,260.42/25,193.49 = 14,419.87/x
  3. Step 3: Cross multiply
    18,260.42x = 25,193.49 × 14,419.87
  4. Step 4: Simplify right side
    18,260.42x = 363,286,850.65
  5. Step 5: Solve for x
    x = 363,286,850.65/18,260.42
  6. Step 6: Final answer
    x = 19,894.77

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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.