Home / 23,307.12-34,961.64-12,207.60

Finding the Fourth Proportional to 23,307.12, 34,961.64 and 12,207.60

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Solution

The fourth proportional to 23,307.12, 34,961.64 and 12,207.60 is: 18,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,307.12 : 34,961.64 = 12,207.60 : x
  2. Step 2: Convert to fraction form
    23,307.12/34,961.64 = 12,207.60/x
  3. Step 3: Cross multiply
    23,307.12x = 34,961.64 × 12,207.60
  4. Step 4: Simplify right side
    23,307.12x = 426,797,716.46
  5. Step 5: Solve for x
    x = 426,797,716.46/23,307.12
  6. Step 6: Final answer
    x = 18,311.90

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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.