Home / 19,792.46-27,315.96-12,243.80

Finding the Fourth Proportional to 19,792.46, 27,315.96 and 12,243.80

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Solution

The fourth proportional to 19,792.46, 27,315.96 and 12,243.80 is: 16,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.46 : 27,315.96 = 12,243.80 : x
  2. Step 2: Convert to fraction form
    19,792.46/27,315.96 = 12,243.80/x
  3. Step 3: Cross multiply
    19,792.46x = 27,315.96 × 12,243.80
  4. Step 4: Simplify right side
    19,792.46x = 334,451,151.05
  5. Step 5: Solve for x
    x = 334,451,151.05/19,792.46
  6. Step 6: Final answer
    x = 16,897.91

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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.