Home / 14,786.51-22,188.28-8,212.15

Finding the Fourth Proportional to 14,786.51, 22,188.28 and 8,212.15

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Solution

The fourth proportional to 14,786.51, 22,188.28 and 8,212.15 is: 12,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.51 : 22,188.28 = 8,212.15 : x
  2. Step 2: Convert to fraction form
    14,786.51/22,188.28 = 8,212.15/x
  3. Step 3: Cross multiply
    14,786.51x = 22,188.28 × 8,212.15
  4. Step 4: Simplify right side
    14,786.51x = 182,213,407.60
  5. Step 5: Solve for x
    x = 182,213,407.60/14,786.51
  6. Step 6: Final answer
    x = 12,322.95

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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.