Home / 54,761.04-82,141.38-13,208.04

Finding the Fourth Proportional to 54,761.04, 82,141.38 and 13,208.04

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Solution

The fourth proportional to 54,761.04, 82,141.38 and 13,208.04 is: 19,812.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,761.04 : 82,141.38 = 13,208.04 : x
  2. Step 2: Convert to fraction form
    54,761.04/82,141.38 = 13,208.04/x
  3. Step 3: Cross multiply
    54,761.04x = 82,141.38 × 13,208.04
  4. Step 4: Simplify right side
    54,761.04x = 1,084,926,632.70
  5. Step 5: Solve for x
    x = 1,084,926,632.70/54,761.04
  6. Step 6: Final answer
    x = 19,812.02

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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.