Home / 22,615.84-33,912.36-13,258.09

Finding the Fourth Proportional to 22,615.84, 33,912.36 and 13,258.09

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Solution

The fourth proportional to 22,615.84, 33,912.36 and 13,258.09 is: 19,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,615.84 : 33,912.36 = 13,258.09 : x
  2. Step 2: Convert to fraction form
    22,615.84/33,912.36 = 13,258.09/x
  3. Step 3: Cross multiply
    22,615.84x = 33,912.36 × 13,258.09
  4. Step 4: Simplify right side
    22,615.84x = 449,613,120.99
  5. Step 5: Solve for x
    x = 449,613,120.99/22,615.84
  6. Step 6: Final answer
    x = 19,880.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.