Home / 13,738.63-20,617.79-5,846.69

Finding the Fourth Proportional to 13,738.63, 20,617.79 and 5,846.69

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Solution

The fourth proportional to 13,738.63, 20,617.79 and 5,846.69 is: 8,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.63 : 20,617.79 = 5,846.69 : x
  2. Step 2: Convert to fraction form
    13,738.63/20,617.79 = 5,846.69/x
  3. Step 3: Cross multiply
    13,738.63x = 20,617.79 × 5,846.69
  4. Step 4: Simplify right side
    13,738.63x = 120,545,760.74
  5. Step 5: Solve for x
    x = 120,545,760.74/13,738.63
  6. Step 6: Final answer
    x = 8,774.22

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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.