Home / 22,313.43-30,792.52-12,881.99

Finding the Fourth Proportional to 22,313.43, 30,792.52 and 12,881.99

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Solution

The fourth proportional to 22,313.43, 30,792.52 and 12,881.99 is: 17,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,313.43 : 30,792.52 = 12,881.99 : x
  2. Step 2: Convert to fraction form
    22,313.43/30,792.52 = 12,881.99/x
  3. Step 3: Cross multiply
    22,313.43x = 30,792.52 × 12,881.99
  4. Step 4: Simplify right side
    22,313.43x = 396,668,934.71
  5. Step 5: Solve for x
    x = 396,668,934.71/22,313.43
  6. Step 6: Final answer
    x = 17,777.14

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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.