Home / 54,828.14-82,242.21-13,275.14

Finding the Fourth Proportional to 54,828.14, 82,242.21 and 13,275.14

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Solution

The fourth proportional to 54,828.14, 82,242.21 and 13,275.14 is: 19,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,828.14 : 82,242.21 = 13,275.14 : x
  2. Step 2: Convert to fraction form
    54,828.14/82,242.21 = 13,275.14/x
  3. Step 3: Cross multiply
    54,828.14x = 82,242.21 × 13,275.14
  4. Step 4: Simplify right side
    54,828.14x = 1,091,776,440.45
  5. Step 5: Solve for x
    x = 1,091,776,440.45/54,828.14
  6. Step 6: Final answer
    x = 19,912.70

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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.