Home / 22,582.09-31,164.38-13,629.43

Finding the Fourth Proportional to 22,582.09, 31,164.38 and 13,629.43

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Solution

The fourth proportional to 22,582.09, 31,164.38 and 13,629.43 is: 18,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,582.09 : 31,164.38 = 13,629.43 : x
  2. Step 2: Convert to fraction form
    22,582.09/31,164.38 = 13,629.43/x
  3. Step 3: Cross multiply
    22,582.09x = 31,164.38 × 13,629.43
  4. Step 4: Simplify right side
    22,582.09x = 424,752,735.70
  5. Step 5: Solve for x
    x = 424,752,735.70/22,582.09
  6. Step 6: Final answer
    x = 18,809.27

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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.