Home / 19,263.28-28,882.44-7,577.68

Finding the Fourth Proportional to 19,263.28, 28,882.44 and 7,577.68

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Solution

The fourth proportional to 19,263.28, 28,882.44 and 7,577.68 is: 11,361.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263.28 : 28,882.44 = 7,577.68 : x
  2. Step 2: Convert to fraction form
    19,263.28/28,882.44 = 7,577.68/x
  3. Step 3: Cross multiply
    19,263.28x = 28,882.44 × 7,577.68
  4. Step 4: Simplify right side
    19,263.28x = 218,861,887.94
  5. Step 5: Solve for x
    x = 218,861,887.94/19,263.28
  6. Step 6: Final answer
    x = 11,361.61

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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.