Home / 18,202.37-27,315.90-7,109.01

Finding the Fourth Proportional to 18,202.37, 27,315.90 and 7,109.01

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Solution

The fourth proportional to 18,202.37, 27,315.90 and 7,109.01 is: 10,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.37 : 27,315.90 = 7,109.01 : x
  2. Step 2: Convert to fraction form
    18,202.37/27,315.90 = 7,109.01/x
  3. Step 3: Cross multiply
    18,202.37x = 27,315.90 × 7,109.01
  4. Step 4: Simplify right side
    18,202.37x = 194,189,006.26
  5. Step 5: Solve for x
    x = 194,189,006.26/18,202.37
  6. Step 6: Final answer
    x = 10,668.34

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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.