Home / 23,118.72-34,679.63-8,124.01

Finding the Fourth Proportional to 23,118.72, 34,679.63 and 8,124.01

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Solution

The fourth proportional to 23,118.72, 34,679.63 and 8,124.01 is: 12,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118.72 : 34,679.63 = 8,124.01 : x
  2. Step 2: Convert to fraction form
    23,118.72/34,679.63 = 8,124.01/x
  3. Step 3: Cross multiply
    23,118.72x = 34,679.63 × 8,124.01
  4. Step 4: Simplify right side
    23,118.72x = 281,737,743.90
  5. Step 5: Solve for x
    x = 281,737,743.90/23,118.72
  6. Step 6: Final answer
    x = 12,186.57

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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.