Home / 14,785.10-22,183.73-5,429.60

Finding the Fourth Proportional to 14,785.10, 22,183.73 and 5,429.60

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Solution

The fourth proportional to 14,785.10, 22,183.73 and 5,429.60 is: 8,146.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.10 : 22,183.73 = 5,429.60 : x
  2. Step 2: Convert to fraction form
    14,785.10/22,183.73 = 5,429.60/x
  3. Step 3: Cross multiply
    14,785.10x = 22,183.73 × 5,429.60
  4. Step 4: Simplify right side
    14,785.10x = 120,448,780.41
  5. Step 5: Solve for x
    x = 120,448,780.41/14,785.10
  6. Step 6: Final answer
    x = 8,146.63

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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.