Home / 12,792.23-19,186.77-3,432.98

Finding the Fourth Proportional to 12,792.23, 19,186.77 and 3,432.98

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Solution

The fourth proportional to 12,792.23, 19,186.77 and 3,432.98 is: 5,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.23 : 19,186.77 = 3,432.98 : x
  2. Step 2: Convert to fraction form
    12,792.23/19,186.77 = 3,432.98/x
  3. Step 3: Cross multiply
    12,792.23x = 19,186.77 × 3,432.98
  4. Step 4: Simplify right side
    12,792.23x = 65,867,858.52
  5. Step 5: Solve for x
    x = 65,867,858.52/12,792.23
  6. Step 6: Final answer
    x = 5,149.05

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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.