Home / 23,147.19-34,719.64-8,155.06

Finding the Fourth Proportional to 23,147.19, 34,719.64 and 8,155.06

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Solution

The fourth proportional to 23,147.19, 34,719.64 and 8,155.06 is: 12,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.19 : 34,719.64 = 8,155.06 : x
  2. Step 2: Convert to fraction form
    23,147.19/34,719.64 = 8,155.06/x
  3. Step 3: Cross multiply
    23,147.19x = 34,719.64 × 8,155.06
  4. Step 4: Simplify right side
    23,147.19x = 283,140,640.19
  5. Step 5: Solve for x
    x = 283,140,640.19/23,147.19
  6. Step 6: Final answer
    x = 12,232.18

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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.