Home / 14,190.68-19,582.67-8,448.11

Finding the Fourth Proportional to 14,190.68, 19,582.67 and 8,448.11

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Solution

The fourth proportional to 14,190.68, 19,582.67 and 8,448.11 is: 11,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.68 : 19,582.67 = 8,448.11 : x
  2. Step 2: Convert to fraction form
    14,190.68/19,582.67 = 8,448.11/x
  3. Step 3: Cross multiply
    14,190.68x = 19,582.67 × 8,448.11
  4. Step 4: Simplify right side
    14,190.68x = 165,436,550.25
  5. Step 5: Solve for x
    x = 165,436,550.25/14,190.68
  6. Step 6: Final answer
    x = 11,658.11

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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.