Home / 23,135.12-34,708.08-8,341.28

Finding the Fourth Proportional to 23,135.12, 34,708.08 and 8,341.28

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Solution

The fourth proportional to 23,135.12, 34,708.08 and 8,341.28 is: 12,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.12 : 34,708.08 = 8,341.28 : x
  2. Step 2: Convert to fraction form
    23,135.12/34,708.08 = 8,341.28/x
  3. Step 3: Cross multiply
    23,135.12x = 34,708.08 × 8,341.28
  4. Step 4: Simplify right side
    23,135.12x = 289,509,813.54
  5. Step 5: Solve for x
    x = 289,509,813.54/23,135.12
  6. Step 6: Final answer
    x = 12,513.87

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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.