Home / 18,336.28-25,304.50-11,258.68

Finding the Fourth Proportional to 18,336.28, 25,304.50 and 11,258.68

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Solution

The fourth proportional to 18,336.28, 25,304.50 and 11,258.68 is: 15,537.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.28 : 25,304.50 = 11,258.68 : x
  2. Step 2: Convert to fraction form
    18,336.28/25,304.50 = 11,258.68/x
  3. Step 3: Cross multiply
    18,336.28x = 25,304.50 × 11,258.68
  4. Step 4: Simplify right side
    18,336.28x = 284,895,268.06
  5. Step 5: Solve for x
    x = 284,895,268.06/18,336.28
  6. Step 6: Final answer
    x = 15,537.24

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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.