Home / 16,480.12-22,742.58-9,028.12

Finding the Fourth Proportional to 16,480.12, 22,742.58 and 9,028.12

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Solution

The fourth proportional to 16,480.12, 22,742.58 and 9,028.12 is: 12,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,480.12 : 22,742.58 = 9,028.12 : x
  2. Step 2: Convert to fraction form
    16,480.12/22,742.58 = 9,028.12/x
  3. Step 3: Cross multiply
    16,480.12x = 22,742.58 × 9,028.12
  4. Step 4: Simplify right side
    16,480.12x = 205,322,741.35
  5. Step 5: Solve for x
    x = 205,322,741.35/16,480.12
  6. Step 6: Final answer
    x = 12,458.81

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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.