Home / 18,150.76-27,213.34-7,048.20

Finding the Fourth Proportional to 18,150.76, 27,213.34 and 7,048.20

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Solution

The fourth proportional to 18,150.76, 27,213.34 and 7,048.20 is: 10,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.76 : 27,213.34 = 7,048.20 : x
  2. Step 2: Convert to fraction form
    18,150.76/27,213.34 = 7,048.20/x
  3. Step 3: Cross multiply
    18,150.76x = 27,213.34 × 7,048.20
  4. Step 4: Simplify right side
    18,150.76x = 191,805,062.99
  5. Step 5: Solve for x
    x = 191,805,062.99/18,150.76
  6. Step 6: Final answer
    x = 10,567.33

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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.