Home / 14,736.15-20,361.78-11,776.41

Finding the Fourth Proportional to 14,736.15, 20,361.78 and 11,776.41

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Solution

The fourth proportional to 14,736.15, 20,361.78 and 11,776.41 is: 16,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736.15 : 20,361.78 = 11,776.41 : x
  2. Step 2: Convert to fraction form
    14,736.15/20,361.78 = 11,776.41/x
  3. Step 3: Cross multiply
    14,736.15x = 20,361.78 × 11,776.41
  4. Step 4: Simplify right side
    14,736.15x = 239,788,669.61
  5. Step 5: Solve for x
    x = 239,788,669.61/14,736.15
  6. Step 6: Final answer
    x = 16,272.14

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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.