Home / 14,457.20-19,951.36-8,083.62

Finding the Fourth Proportional to 14,457.20, 19,951.36 and 8,083.62

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Solution

The fourth proportional to 14,457.20, 19,951.36 and 8,083.62 is: 11,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.20 : 19,951.36 = 8,083.62 : x
  2. Step 2: Convert to fraction form
    14,457.20/19,951.36 = 8,083.62/x
  3. Step 3: Cross multiply
    14,457.20x = 19,951.36 × 8,083.62
  4. Step 4: Simplify right side
    14,457.20x = 161,279,212.72
  5. Step 5: Solve for x
    x = 161,279,212.72/14,457.20
  6. Step 6: Final answer
    x = 11,155.63

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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.