Home / 14,391.85-19,861.77-8,018.86

Finding the Fourth Proportional to 14,391.85, 19,861.77 and 8,018.86

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Solution

The fourth proportional to 14,391.85, 19,861.77 and 8,018.86 is: 11,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.85 : 19,861.77 = 8,018.86 : x
  2. Step 2: Convert to fraction form
    14,391.85/19,861.77 = 8,018.86/x
  3. Step 3: Cross multiply
    14,391.85x = 19,861.77 × 8,018.86
  4. Step 4: Simplify right side
    14,391.85x = 159,268,752.98
  5. Step 5: Solve for x
    x = 159,268,752.98/14,391.85
  6. Step 6: Final answer
    x = 11,066.59

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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.