Home / 23,530.89-35,305.91-12,434.60

Finding the Fourth Proportional to 23,530.89, 35,305.91 and 12,434.60

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Solution

The fourth proportional to 23,530.89, 35,305.91 and 12,434.60 is: 18,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,530.89 : 35,305.91 = 12,434.60 : x
  2. Step 2: Convert to fraction form
    23,530.89/35,305.91 = 12,434.60/x
  3. Step 3: Cross multiply
    23,530.89x = 35,305.91 × 12,434.60
  4. Step 4: Simplify right side
    23,530.89x = 439,014,629.78
  5. Step 5: Solve for x
    x = 439,014,629.78/23,530.89
  6. Step 6: Final answer
    x = 18,656.95

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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.