Home / 13,757.09-20,623.40-5,961.65

Finding the Fourth Proportional to 13,757.09, 20,623.40 and 5,961.65

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Solution

The fourth proportional to 13,757.09, 20,623.40 and 5,961.65 is: 8,937.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.09 : 20,623.40 = 5,961.65 : x
  2. Step 2: Convert to fraction form
    13,757.09/20,623.40 = 5,961.65/x
  3. Step 3: Cross multiply
    13,757.09x = 20,623.40 × 5,961.65
  4. Step 4: Simplify right side
    13,757.09x = 122,949,462.80
  5. Step 5: Solve for x
    x = 122,949,462.80/13,757.09
  6. Step 6: Final answer
    x = 8,937.17

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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.