Home / 18,027.12-24,879.24-10,954.16

Finding the Fourth Proportional to 18,027.12, 24,879.24 and 10,954.16

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Solution

The fourth proportional to 18,027.12, 24,879.24 and 10,954.16 is: 15,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.12 : 24,879.24 = 10,954.16 : x
  2. Step 2: Convert to fraction form
    18,027.12/24,879.24 = 10,954.16/x
  3. Step 3: Cross multiply
    18,027.12x = 24,879.24 × 10,954.16
  4. Step 4: Simplify right side
    18,027.12x = 272,531,175.64
  5. Step 5: Solve for x
    x = 272,531,175.64/18,027.12
  6. Step 6: Final answer
    x = 15,117.84

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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.