Home / 14,190.43-19,582.33-8,447.86

Finding the Fourth Proportional to 14,190.43, 19,582.33 and 8,447.86

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Solution

The fourth proportional to 14,190.43, 19,582.33 and 8,447.86 is: 11,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.43 : 19,582.33 = 8,447.86 : x
  2. Step 2: Convert to fraction form
    14,190.43/19,582.33 = 8,447.86/x
  3. Step 3: Cross multiply
    14,190.43x = 19,582.33 × 8,447.86
  4. Step 4: Simplify right side
    14,190.43x = 165,428,782.31
  5. Step 5: Solve for x
    x = 165,428,782.31/14,190.43
  6. Step 6: Final answer
    x = 11,657.77

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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.