Home / 18,604.32-28,016.52-13,446.24

Finding the Fourth Proportional to 18,604.32, 28,016.52 and 13,446.24

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Solution

The fourth proportional to 18,604.32, 28,016.52 and 13,446.24 is: 20,248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.32 : 28,016.52 = 13,446.24 : x
  2. Step 2: Convert to fraction form
    18,604.32/28,016.52 = 13,446.24/x
  3. Step 3: Cross multiply
    18,604.32x = 28,016.52 × 13,446.24
  4. Step 4: Simplify right side
    18,604.32x = 376,716,851.88
  5. Step 5: Solve for x
    x = 376,716,851.88/18,604.32
  6. Step 6: Final answer
    x = 20,248.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.