Home / 18,113.09-27,164.36-7,017.30

Finding the Fourth Proportional to 18,113.09, 27,164.36 and 7,017.30

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Solution

The fourth proportional to 18,113.09, 27,164.36 and 7,017.30 is: 10,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.09 : 27,164.36 = 7,017.30 : x
  2. Step 2: Convert to fraction form
    18,113.09/27,164.36 = 7,017.30/x
  3. Step 3: Cross multiply
    18,113.09x = 27,164.36 × 7,017.30
  4. Step 4: Simplify right side
    18,113.09x = 190,620,480.97
  5. Step 5: Solve for x
    x = 190,620,480.97/18,113.09
  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.