Home / 18,451.24-27,701.46-10,160.68

Finding the Fourth Proportional to 18,451.24, 27,701.46 and 10,160.68

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Solution

The fourth proportional to 18,451.24, 27,701.46 and 10,160.68 is: 15,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.24 : 27,701.46 = 10,160.68 : x
  2. Step 2: Convert to fraction form
    18,451.24/27,701.46 = 10,160.68/x
  3. Step 3: Cross multiply
    18,451.24x = 27,701.46 × 10,160.68
  4. Step 4: Simplify right side
    18,451.24x = 281,465,670.59
  5. Step 5: Solve for x
    x = 281,465,670.59/18,451.24
  6. Step 6: Final answer
    x = 15,254.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.