Home / 18,372.88-27,559.26-5,225.44

Finding the Fourth Proportional to 18,372.88, 27,559.26 and 5,225.44

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Solution

The fourth proportional to 18,372.88, 27,559.26 and 5,225.44 is: 7,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.88 : 27,559.26 = 5,225.44 : x
  2. Step 2: Convert to fraction form
    18,372.88/27,559.26 = 5,225.44/x
  3. Step 3: Cross multiply
    18,372.88x = 27,559.26 × 5,225.44
  4. Step 4: Simplify right side
    18,372.88x = 144,009,259.57
  5. Step 5: Solve for x
    x = 144,009,259.57/18,372.88
  6. Step 6: Final answer
    x = 7,838.14

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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.