Home / 13,823.28-19,076.13-8,158.04

Finding the Fourth Proportional to 13,823.28, 19,076.13 and 8,158.04

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Solution

The fourth proportional to 13,823.28, 19,076.13 and 8,158.04 is: 11,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.28 : 19,076.13 = 8,158.04 : x
  2. Step 2: Convert to fraction form
    13,823.28/19,076.13 = 8,158.04/x
  3. Step 3: Cross multiply
    13,823.28x = 19,076.13 × 8,158.04
  4. Step 4: Simplify right side
    13,823.28x = 155,623,736.20
  5. Step 5: Solve for x
    x = 155,623,736.20/13,823.28
  6. Step 6: Final answer
    x = 11,258.09

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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.