Home / 18,182.16-25,093.80-13,479.84

Finding the Fourth Proportional to 18,182.16, 25,093.80 and 13,479.84

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Solution

The fourth proportional to 18,182.16, 25,093.80 and 13,479.84 is: 18,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.16 : 25,093.80 = 13,479.84 : x
  2. Step 2: Convert to fraction form
    18,182.16/25,093.80 = 13,479.84/x
  3. Step 3: Cross multiply
    18,182.16x = 25,093.80 × 13,479.84
  4. Step 4: Simplify right side
    18,182.16x = 338,260,408.99
  5. Step 5: Solve for x
    x = 338,260,408.99/18,182.16
  6. Step 6: Final answer
    x = 18,603.97

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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.