Home / 19,369.85-26,720.24-15,992.96

Finding the Fourth Proportional to 19,369.85, 26,720.24 and 15,992.96

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Solution

The fourth proportional to 19,369.85, 26,720.24 and 15,992.96 is: 22,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.85 : 26,720.24 = 15,992.96 : x
  2. Step 2: Convert to fraction form
    19,369.85/26,720.24 = 15,992.96/x
  3. Step 3: Cross multiply
    19,369.85x = 26,720.24 × 15,992.96
  4. Step 4: Simplify right side
    19,369.85x = 427,335,716.35
  5. Step 5: Solve for x
    x = 427,335,716.35/19,369.85
  6. Step 6: Final answer
    x = 22,061.90

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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.