Home / 13,381.05-20,076.23-5,986.29

Finding the Fourth Proportional to 13,381.05, 20,076.23 and 5,986.29

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Solution

The fourth proportional to 13,381.05, 20,076.23 and 5,986.29 is: 8,981.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381.05 : 20,076.23 = 5,986.29 : x
  2. Step 2: Convert to fraction form
    13,381.05/20,076.23 = 5,986.29/x
  3. Step 3: Cross multiply
    13,381.05x = 20,076.23 × 5,986.29
  4. Step 4: Simplify right side
    13,381.05x = 120,182,134.89
  5. Step 5: Solve for x
    x = 120,182,134.89/13,381.05
  6. Step 6: Final answer
    x = 8,981.52

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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.