Home / 22,581.99-31,164.24-13,629.33

Finding the Fourth Proportional to 22,581.99, 31,164.24 and 13,629.33

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Solution

The fourth proportional to 22,581.99, 31,164.24 and 13,629.33 is: 18,809.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,581.99 : 31,164.24 = 13,629.33 : x
  2. Step 2: Convert to fraction form
    22,581.99/31,164.24 = 13,629.33/x
  3. Step 3: Cross multiply
    22,581.99x = 31,164.24 × 13,629.33
  4. Step 4: Simplify right side
    22,581.99x = 424,747,711.16
  5. Step 5: Solve for x
    x = 424,747,711.16/22,581.99
  6. Step 6: Final answer
    x = 18,809.14

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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.