Home / 22,824.97-31,492.70-13,391.71

Finding the Fourth Proportional to 22,824.97, 31,492.70 and 13,391.71

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Solution

The fourth proportional to 22,824.97, 31,492.70 and 13,391.71 is: 18,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,824.97 : 31,492.70 = 13,391.71 : x
  2. Step 2: Convert to fraction form
    22,824.97/31,492.70 = 13,391.71/x
  3. Step 3: Cross multiply
    22,824.97x = 31,492.70 × 13,391.71
  4. Step 4: Simplify right side
    22,824.97x = 421,741,010.05
  5. Step 5: Solve for x
    x = 421,741,010.05/22,824.97
  6. Step 6: Final answer
    x = 18,477.18

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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.