Home / 54,128.53-81,192.83-14,685.64

Finding the Fourth Proportional to 54,128.53, 81,192.83 and 14,685.64

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Solution

The fourth proportional to 54,128.53, 81,192.83 and 14,685.64 is: 22,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128.53 : 81,192.83 = 14,685.64 : x
  2. Step 2: Convert to fraction form
    54,128.53/81,192.83 = 14,685.64/x
  3. Step 3: Cross multiply
    54,128.53x = 81,192.83 × 14,685.64
  4. Step 4: Simplify right side
    54,128.53x = 1,192,368,708.68
  5. Step 5: Solve for x
    x = 1,192,368,708.68/54,128.53
  6. Step 6: Final answer
    x = 22,028.47

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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.