Home / 20,736.24-28,618.06-12,241.16

Finding the Fourth Proportional to 20,736.24, 28,618.06 and 12,241.16

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Solution

The fourth proportional to 20,736.24, 28,618.06 and 12,241.16 is: 16,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736.24 : 28,618.06 = 12,241.16 : x
  2. Step 2: Convert to fraction form
    20,736.24/28,618.06 = 12,241.16/x
  3. Step 3: Cross multiply
    20,736.24x = 28,618.06 × 12,241.16
  4. Step 4: Simplify right side
    20,736.24x = 350,318,207.93
  5. Step 5: Solve for x
    x = 350,318,207.93/20,736.24
  6. Step 6: Final answer
    x = 16,894.01

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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.