Home / 23,318.80-34,988.50-12,222.83

Finding the Fourth Proportional to 23,318.80, 34,988.50 and 12,222.83

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Solution

The fourth proportional to 23,318.80, 34,988.50 and 12,222.83 is: 18,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,318.80 : 34,988.50 = 12,222.83 : x
  2. Step 2: Convert to fraction form
    23,318.80/34,988.50 = 12,222.83/x
  3. Step 3: Cross multiply
    23,318.80x = 34,988.50 × 12,222.83
  4. Step 4: Simplify right side
    23,318.80x = 427,658,487.46
  5. Step 5: Solve for x
    x = 427,658,487.46/23,318.80
  6. Step 6: Final answer
    x = 18,339.64

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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.