Home / 14,150.25-21,197.63-8,214.68

Finding the Fourth Proportional to 14,150.25, 21,197.63 and 8,214.68

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Solution

The fourth proportional to 14,150.25, 21,197.63 and 8,214.68 is: 12,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.25 : 21,197.63 = 8,214.68 : x
  2. Step 2: Convert to fraction form
    14,150.25/21,197.63 = 8,214.68/x
  3. Step 3: Cross multiply
    14,150.25x = 21,197.63 × 8,214.68
  4. Step 4: Simplify right side
    14,150.25x = 174,131,820.74
  5. Step 5: Solve for x
    x = 174,131,820.74/14,150.25
  6. Step 6: Final answer
    x = 12,305.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.