Home / 18,274.01-25,218.33-10,720.46

Finding the Fourth Proportional to 18,274.01, 25,218.33 and 10,720.46

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Solution

The fourth proportional to 18,274.01, 25,218.33 and 10,720.46 is: 14,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.01 : 25,218.33 = 10,720.46 : x
  2. Step 2: Convert to fraction form
    18,274.01/25,218.33 = 10,720.46/x
  3. Step 3: Cross multiply
    18,274.01x = 25,218.33 × 10,720.46
  4. Step 4: Simplify right side
    18,274.01x = 270,352,231.72
  5. Step 5: Solve for x
    x = 270,352,231.72/18,274.01
  6. Step 6: Final answer
    x = 14,794.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.