Home / 22,582.43-31,164.90-13,629.80

Finding the Fourth Proportional to 22,582.43, 31,164.90 and 13,629.80

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Solution

The fourth proportional to 22,582.43, 31,164.90 and 13,629.80 is: 18,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,582.43 : 31,164.90 = 13,629.80 : x
  2. Step 2: Convert to fraction form
    22,582.43/31,164.90 = 13,629.80/x
  3. Step 3: Cross multiply
    22,582.43x = 31,164.90 × 13,629.80
  4. Step 4: Simplify right side
    22,582.43x = 424,771,198.20
  5. Step 5: Solve for x
    x = 424,771,198.20/22,582.43
  6. Step 6: Final answer
    x = 18,809.81

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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.