Home / 13,589.16-20,369.40-7,733.16

Finding the Fourth Proportional to 13,589.16, 20,369.40 and 7,733.16

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Solution

The fourth proportional to 13,589.16, 20,369.40 and 7,733.16 is: 11,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.16 : 20,369.40 = 7,733.16 : x
  2. Step 2: Convert to fraction form
    13,589.16/20,369.40 = 7,733.16/x
  3. Step 3: Cross multiply
    13,589.16x = 20,369.40 × 7,733.16
  4. Step 4: Simplify right side
    13,589.16x = 157,519,829.30
  5. Step 5: Solve for x
    x = 157,519,829.30/13,589.16
  6. Step 6: Final answer
    x = 11,591.58

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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.