Home / 18,682.02-25,780.20-10,183.70

Finding the Fourth Proportional to 18,682.02, 25,780.20 and 10,183.70

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Solution

The fourth proportional to 18,682.02, 25,780.20 and 10,183.70 is: 14,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.02 : 25,780.20 = 10,183.70 : x
  2. Step 2: Convert to fraction form
    18,682.02/25,780.20 = 10,183.70/x
  3. Step 3: Cross multiply
    18,682.02x = 25,780.20 × 10,183.70
  4. Step 4: Simplify right side
    18,682.02x = 262,537,822.74
  5. Step 5: Solve for x
    x = 262,537,822.74/18,682.02
  6. Step 6: Final answer
    x = 14,052.97

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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.