Home / 18,455.66-25,470.68-10,904.43

Finding the Fourth Proportional to 18,455.66, 25,470.68 and 10,904.43

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Solution

The fourth proportional to 18,455.66, 25,470.68 and 10,904.43 is: 15,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.66 : 25,470.68 = 10,904.43 : x
  2. Step 2: Convert to fraction form
    18,455.66/25,470.68 = 10,904.43/x
  3. Step 3: Cross multiply
    18,455.66x = 25,470.68 × 10,904.43
  4. Step 4: Simplify right side
    18,455.66x = 277,743,247.11
  5. Step 5: Solve for x
    x = 277,743,247.11/18,455.66
  6. Step 6: Final answer
    x = 15,049.22

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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.