Home / 23,318.30-34,987.76-12,222.33

Finding the Fourth Proportional to 23,318.30, 34,987.76 and 12,222.33

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Solution

The fourth proportional to 23,318.30, 34,987.76 and 12,222.33 is: 18,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,318.30 : 34,987.76 = 12,222.33 : x
  2. Step 2: Convert to fraction form
    23,318.30/34,987.76 = 12,222.33/x
  3. Step 3: Cross multiply
    23,318.30x = 34,987.76 × 12,222.33
  4. Step 4: Simplify right side
    23,318.30x = 427,631,887.57
  5. Step 5: Solve for x
    x = 427,631,887.57/23,318.30
  6. Step 6: Final answer
    x = 18,338.90

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1.5x scale

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.