Home / 14,517.95-20,034.75-8,230.32

Finding the Fourth Proportional to 14,517.95, 20,034.75 and 8,230.32

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Solution

The fourth proportional to 14,517.95, 20,034.75 and 8,230.32 is: 11,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.95 : 20,034.75 = 8,230.32 : x
  2. Step 2: Convert to fraction form
    14,517.95/20,034.75 = 8,230.32/x
  3. Step 3: Cross multiply
    14,517.95x = 20,034.75 × 8,230.32
  4. Step 4: Simplify right side
    14,517.95x = 164,892,403.62
  5. Step 5: Solve for x
    x = 164,892,403.62/14,517.95
  6. Step 6: Final answer
    x = 11,357.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.