Home / 18,113.26-27,164.59-7,017.31

Finding the Fourth Proportional to 18,113.26, 27,164.59 and 7,017.31

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Solution

The fourth proportional to 18,113.26, 27,164.59 and 7,017.31 is: 10,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.26 : 27,164.59 = 7,017.31 : x
  2. Step 2: Convert to fraction form
    18,113.26/27,164.59 = 7,017.31/x
  3. Step 3: Cross multiply
    18,113.26x = 27,164.59 × 7,017.31
  4. Step 4: Simplify right side
    18,113.26x = 190,622,308.80
  5. Step 5: Solve for x
    x = 190,622,308.80/18,113.26
  6. Step 6: Final answer
    x = 10,523.91

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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.