Home / 54,784.13-82,176.26-13,231.13

Finding the Fourth Proportional to 54,784.13, 82,176.26 and 13,231.13

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Solution

The fourth proportional to 54,784.13, 82,176.26 and 13,231.13 is: 19,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,784.13 : 82,176.26 = 13,231.13 : x
  2. Step 2: Convert to fraction form
    54,784.13/82,176.26 = 13,231.13/x
  3. Step 3: Cross multiply
    54,784.13x = 82,176.26 × 13,231.13
  4. Step 4: Simplify right side
    54,784.13x = 1,087,284,301.94
  5. Step 5: Solve for x
    x = 1,087,284,301.94/54,784.13
  6. Step 6: Final answer
    x = 19,846.70

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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.