Home / 14,936.51-20,612.39-8,222.14

Finding the Fourth Proportional to 14,936.51, 20,612.39 and 8,222.14

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Solution

The fourth proportional to 14,936.51, 20,612.39 and 8,222.14 is: 11,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,936.51 : 20,612.39 = 8,222.14 : x
  2. Step 2: Convert to fraction form
    14,936.51/20,612.39 = 8,222.14/x
  3. Step 3: Cross multiply
    14,936.51x = 20,612.39 × 8,222.14
  4. Step 4: Simplify right side
    14,936.51x = 169,477,909.05
  5. Step 5: Solve for x
    x = 169,477,909.05/14,936.51
  6. Step 6: Final answer
    x = 11,346.55

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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.