Home / 27,213.84-40,829.60-13,353.12

Finding the Fourth Proportional to 27,213.84, 40,829.60 and 13,353.12

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Solution

The fourth proportional to 27,213.84, 40,829.60 and 13,353.12 is: 20,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,213.84 : 40,829.60 = 13,353.12 : x
  2. Step 2: Convert to fraction form
    27,213.84/40,829.60 = 13,353.12/x
  3. Step 3: Cross multiply
    27,213.84x = 40,829.60 × 13,353.12
  4. Step 4: Simplify right side
    27,213.84x = 545,202,548.35
  5. Step 5: Solve for x
    x = 545,202,548.35/27,213.84
  6. Step 6: Final answer
    x = 20,034.02

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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.