Home / 18,759.03-28,145.83-18,477.46

Finding the Fourth Proportional to 18,759.03, 28,145.83 and 18,477.46

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Solution

The fourth proportional to 18,759.03, 28,145.83 and 18,477.46 is: 27,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759.03 : 28,145.83 = 18,477.46 : x
  2. Step 2: Convert to fraction form
    18,759.03/28,145.83 = 18,477.46/x
  3. Step 3: Cross multiply
    18,759.03x = 28,145.83 × 18,477.46
  4. Step 4: Simplify right side
    18,759.03x = 520,063,447.99
  5. Step 5: Solve for x
    x = 520,063,447.99/18,759.03
  6. Step 6: Final answer
    x = 27,723.37

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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.