Home / 20,527.20-30,772.58-7,376.04

Finding the Fourth Proportional to 20,527.20, 30,772.58 and 7,376.04

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Solution

The fourth proportional to 20,527.20, 30,772.58 and 7,376.04 is: 11,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.20 : 30,772.58 = 7,376.04 : x
  2. Step 2: Convert to fraction form
    20,527.20/30,772.58 = 7,376.04/x
  3. Step 3: Cross multiply
    20,527.20x = 30,772.58 × 7,376.04
  4. Step 4: Simplify right side
    20,527.20x = 226,979,744.10
  5. Step 5: Solve for x
    x = 226,979,744.10/20,527.20
  6. Step 6: Final answer
    x = 11,057.51

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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.