Home / 18,140.91-25,034.37-10,183.12

Finding the Fourth Proportional to 18,140.91, 25,034.37 and 10,183.12

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Solution

The fourth proportional to 18,140.91, 25,034.37 and 10,183.12 is: 14,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.91 : 25,034.37 = 10,183.12 : x
  2. Step 2: Convert to fraction form
    18,140.91/25,034.37 = 10,183.12/x
  3. Step 3: Cross multiply
    18,140.91x = 25,034.37 × 10,183.12
  4. Step 4: Simplify right side
    18,140.91x = 254,927,893.06
  5. Step 5: Solve for x
    x = 254,927,893.06/18,140.91
  6. Step 6: Final answer
    x = 14,052.65

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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.