Home / 19,909.58-27,483.84-13,183.34

Finding the Fourth Proportional to 19,909.58, 27,483.84 and 13,183.34

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Solution

The fourth proportional to 19,909.58, 27,483.84 and 13,183.34 is: 18,198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.58 : 27,483.84 = 13,183.34 : x
  2. Step 2: Convert to fraction form
    19,909.58/27,483.84 = 13,183.34/x
  3. Step 3: Cross multiply
    19,909.58x = 27,483.84 × 13,183.34
  4. Step 4: Simplify right side
    19,909.58x = 362,328,669.81
  5. Step 5: Solve for x
    x = 362,328,669.81/19,909.58
  6. Step 6: Final answer
    x = 18,198.71

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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.