Home / 18,373.20-27,556.84-5,043.08

Finding the Fourth Proportional to 18,373.20, 27,556.84 and 5,043.08

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Solution

The fourth proportional to 18,373.20, 27,556.84 and 5,043.08 is: 7,563.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.20 : 27,556.84 = 5,043.08 : x
  2. Step 2: Convert to fraction form
    18,373.20/27,556.84 = 5,043.08/x
  3. Step 3: Cross multiply
    18,373.20x = 27,556.84 × 5,043.08
  4. Step 4: Simplify right side
    18,373.20x = 138,971,348.67
  5. Step 5: Solve for x
    x = 138,971,348.67/18,373.20
  6. Step 6: Final answer
    x = 7,563.81

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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.