Home / 20,233.46-27,889.71-12,260.63

Finding the Fourth Proportional to 20,233.46, 27,889.71 and 12,260.63

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Solution

The fourth proportional to 20,233.46, 27,889.71 and 12,260.63 is: 16,900.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.46 : 27,889.71 = 12,260.63 : x
  2. Step 2: Convert to fraction form
    20,233.46/27,889.71 = 12,260.63/x
  3. Step 3: Cross multiply
    20,233.46x = 27,889.71 × 12,260.63
  4. Step 4: Simplify right side
    20,233.46x = 341,945,415.12
  5. Step 5: Solve for x
    x = 341,945,415.12/20,233.46
  6. Step 6: Final answer
    x = 16,900.00

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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.