Home / 22,313.26-30,792.04-12,881.62

Finding the Fourth Proportional to 22,313.26, 30,792.04 and 12,881.62

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Solution

The fourth proportional to 22,313.26, 30,792.04 and 12,881.62 is: 17,776.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,313.26 : 30,792.04 = 12,881.62 : x
  2. Step 2: Convert to fraction form
    22,313.26/30,792.04 = 12,881.62/x
  3. Step 3: Cross multiply
    22,313.26x = 30,792.04 × 12,881.62
  4. Step 4: Simplify right side
    22,313.26x = 396,651,358.30
  5. Step 5: Solve for x
    x = 396,651,358.30/22,313.26
  6. Step 6: Final answer
    x = 17,776.49

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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.