Home / 18,142.47-25,035.23-10,183.16

Finding the Fourth Proportional to 18,142.47, 25,035.23 and 10,183.16

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Solution

The fourth proportional to 18,142.47, 25,035.23 and 10,183.16 is: 14,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.47 : 25,035.23 = 10,183.16 : x
  2. Step 2: Convert to fraction form
    18,142.47/25,035.23 = 10,183.16/x
  3. Step 3: Cross multiply
    18,142.47x = 25,035.23 × 10,183.16
  4. Step 4: Simplify right side
    18,142.47x = 254,937,752.73
  5. Step 5: Solve for x
    x = 254,937,752.73/18,142.47
  6. Step 6: Final answer
    x = 14,051.99

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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.