Home / 20,522.14-30,783.24-5,731.06

Finding the Fourth Proportional to 20,522.14, 30,783.24 and 5,731.06

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Solution

The fourth proportional to 20,522.14, 30,783.24 and 5,731.06 is: 8,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.14 : 30,783.24 = 5,731.06 : x
  2. Step 2: Convert to fraction form
    20,522.14/30,783.24 = 5,731.06/x
  3. Step 3: Cross multiply
    20,522.14x = 30,783.24 × 5,731.06
  4. Step 4: Simplify right side
    20,522.14x = 176,420,595.43
  5. Step 5: Solve for x
    x = 176,420,595.43/20,522.14
  6. Step 6: Final answer
    x = 8,596.60

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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.