Home / 20,527.62-28,328.09-11,096.18

Finding the Fourth Proportional to 20,527.62, 28,328.09 and 11,096.18

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Solution

The fourth proportional to 20,527.62, 28,328.09 and 11,096.18 is: 15,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.62 : 28,328.09 = 11,096.18 : x
  2. Step 2: Convert to fraction form
    20,527.62/28,328.09 = 11,096.18/x
  3. Step 3: Cross multiply
    20,527.62x = 28,328.09 × 11,096.18
  4. Step 4: Simplify right side
    20,527.62x = 314,333,585.70
  5. Step 5: Solve for x
    x = 314,333,585.70/20,527.62
  6. Step 6: Final answer
    x = 15,312.71

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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.