Home / 13,622.02-18,792.94-8,584.90

Finding the Fourth Proportional to 13,622.02, 18,792.94 and 8,584.90

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Solution

The fourth proportional to 13,622.02, 18,792.94 and 8,584.90 is: 11,843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.02 : 18,792.94 = 8,584.90 : x
  2. Step 2: Convert to fraction form
    13,622.02/18,792.94 = 8,584.90/x
  3. Step 3: Cross multiply
    13,622.02x = 18,792.94 × 8,584.90
  4. Step 4: Simplify right side
    13,622.02x = 161,335,510.61
  5. Step 5: Solve for x
    x = 161,335,510.61/13,622.02
  6. Step 6: Final answer
    x = 11,843.73

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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.