Home / 20,025.06-27,617.70-12,065.61

Finding the Fourth Proportional to 20,025.06, 27,617.70 and 12,065.61

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Solution

The fourth proportional to 20,025.06, 27,617.70 and 12,065.61 is: 16,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.06 : 27,617.70 = 12,065.61 : x
  2. Step 2: Convert to fraction form
    20,025.06/27,617.70 = 12,065.61/x
  3. Step 3: Cross multiply
    20,025.06x = 27,617.70 × 12,065.61
  4. Step 4: Simplify right side
    20,025.06x = 333,224,397.30
  5. Step 5: Solve for x
    x = 333,224,397.30/20,025.06
  6. Step 6: Final answer
    x = 16,640.37

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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.