Home / 22,354.04-30,847.08-12,792.80

Finding the Fourth Proportional to 22,354.04, 30,847.08 and 12,792.80

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Solution

The fourth proportional to 22,354.04, 30,847.08 and 12,792.80 is: 17,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,354.04 : 30,847.08 = 12,792.80 : x
  2. Step 2: Convert to fraction form
    22,354.04/30,847.08 = 12,792.80/x
  3. Step 3: Cross multiply
    22,354.04x = 30,847.08 × 12,792.80
  4. Step 4: Simplify right side
    22,354.04x = 394,620,525.02
  5. Step 5: Solve for x
    x = 394,620,525.02/22,354.04
  6. Step 6: Final answer
    x = 17,653.21

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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.