Home / 20,885.09-31,329.93-6,096.43

Finding the Fourth Proportional to 20,885.09, 31,329.93 and 6,096.43

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Solution

The fourth proportional to 20,885.09, 31,329.93 and 6,096.43 is: 9,145.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,885.09 : 31,329.93 = 6,096.43 : x
  2. Step 2: Convert to fraction form
    20,885.09/31,329.93 = 6,096.43/x
  3. Step 3: Cross multiply
    20,885.09x = 31,329.93 × 6,096.43
  4. Step 4: Simplify right side
    20,885.09x = 191,000,568.50
  5. Step 5: Solve for x
    x = 191,000,568.50/20,885.09
  6. Step 6: Final answer
    x = 9,145.31

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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.