Home / 20,527.88-28,328.46-11,096.45

Finding the Fourth Proportional to 20,527.88, 28,328.46 and 11,096.45

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Solution

The fourth proportional to 20,527.88, 28,328.46 and 11,096.45 is: 15,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.88 : 28,328.46 = 11,096.45 : x
  2. Step 2: Convert to fraction form
    20,527.88/28,328.46 = 11,096.45/x
  3. Step 3: Cross multiply
    20,527.88x = 28,328.46 × 11,096.45
  4. Step 4: Simplify right side
    20,527.88x = 314,345,198.32
  5. Step 5: Solve for x
    x = 314,345,198.32/20,527.88
  6. Step 6: Final answer
    x = 15,313.09

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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.