Home / 18,200.36-27,301.08-7,106.60

Finding the Fourth Proportional to 18,200.36, 27,301.08 and 7,106.60

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Solution

The fourth proportional to 18,200.36, 27,301.08 and 7,106.60 is: 10,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.36 : 27,301.08 = 7,106.60 : x
  2. Step 2: Convert to fraction form
    18,200.36/27,301.08 = 7,106.60/x
  3. Step 3: Cross multiply
    18,200.36x = 27,301.08 × 7,106.60
  4. Step 4: Simplify right side
    18,200.36x = 194,017,855.13
  5. Step 5: Solve for x
    x = 194,017,855.13/18,200.36
  6. Step 6: Final answer
    x = 10,660.11

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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.