Home / 13,034.20-17,997.55-12,039.12

Finding the Fourth Proportional to 13,034.20, 17,997.55 and 12,039.12

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Solution

The fourth proportional to 13,034.20, 17,997.55 and 12,039.12 is: 16,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.20 : 17,997.55 = 12,039.12 : x
  2. Step 2: Convert to fraction form
    13,034.20/17,997.55 = 12,039.12/x
  3. Step 3: Cross multiply
    13,034.20x = 17,997.55 × 12,039.12
  4. Step 4: Simplify right side
    13,034.20x = 216,674,664.16
  5. Step 5: Solve for x
    x = 216,674,664.16/13,034.20
  6. Step 6: Final answer
    x = 16,623.55

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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.