Home / 18,277.27-25,199.17-14,990.92

Finding the Fourth Proportional to 18,277.27, 25,199.17 and 14,990.92

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Solution

The fourth proportional to 18,277.27, 25,199.17 and 14,990.92 is: 20,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.27 : 25,199.17 = 14,990.92 : x
  2. Step 2: Convert to fraction form
    18,277.27/25,199.17 = 14,990.92/x
  3. Step 3: Cross multiply
    18,277.27x = 25,199.17 × 14,990.92
  4. Step 4: Simplify right side
    18,277.27x = 377,758,741.54
  5. Step 5: Solve for x
    x = 377,758,741.54/18,277.27
  6. Step 6: Final answer
    x = 20,668.23

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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.