Home / 41,985.63-62,986.76-12,000.15

Finding the Fourth Proportional to 41,985.63, 62,986.76 and 12,000.15

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Solution

The fourth proportional to 41,985.63, 62,986.76 and 12,000.15 is: 18,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,985.63 : 62,986.76 = 12,000.15 : x
  2. Step 2: Convert to fraction form
    41,985.63/62,986.76 = 12,000.15/x
  3. Step 3: Cross multiply
    41,985.63x = 62,986.76 × 12,000.15
  4. Step 4: Simplify right side
    41,985.63x = 755,850,508.01
  5. Step 5: Solve for x
    x = 755,850,508.01/41,985.63
  6. Step 6: Final answer
    x = 18,002.60

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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.