Home / 23,508.64-35,280-8,719.66

Finding the Fourth Proportional to 23,508.64, 35,280 and 8,719.66

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Solution

The fourth proportional to 23,508.64, 35,280 and 8,719.66 is: 13,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,508.64 : 35,280 = 8,719.66 : x
  2. Step 2: Convert to fraction form
    23,508.64/35,280 = 8,719.66/x
  3. Step 3: Cross multiply
    23,508.64x = 35,280 × 8,719.66
  4. Step 4: Simplify right side
    23,508.64x = 307,629,516.60
  5. Step 5: Solve for x
    x = 307,629,516.60/23,508.64
  6. Step 6: Final answer
    x = 13,085.81

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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.