Home / 20,527.68-30,803.06-11,168.36

Finding the Fourth Proportional to 20,527.68, 30,803.06 and 11,168.36

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Solution

The fourth proportional to 20,527.68, 30,803.06 and 11,168.36 is: 16,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.68 : 30,803.06 = 11,168.36 : x
  2. Step 2: Convert to fraction form
    20,527.68/30,803.06 = 11,168.36/x
  3. Step 3: Cross multiply
    20,527.68x = 30,803.06 × 11,168.36
  4. Step 4: Simplify right side
    20,527.68x = 344,019,453.32
  5. Step 5: Solve for x
    x = 344,019,453.32/20,527.68
  6. Step 6: Final answer
    x = 16,758.81

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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.