Home / 14,188.88-19,563.31-8,874.47

Finding the Fourth Proportional to 14,188.88, 19,563.31 and 8,874.47

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Solution

The fourth proportional to 14,188.88, 19,563.31 and 8,874.47 is: 12,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.88 : 19,563.31 = 8,874.47 : x
  2. Step 2: Convert to fraction form
    14,188.88/19,563.31 = 8,874.47/x
  3. Step 3: Cross multiply
    14,188.88x = 19,563.31 × 8,874.47
  4. Step 4: Simplify right side
    14,188.88x = 173,614,007.70
  5. Step 5: Solve for x
    x = 173,614,007.70/14,188.88
  6. Step 6: Final answer
    x = 12,235.92

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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.