Home / 18,336.24-25,304.40-11,258.40

Finding the Fourth Proportional to 18,336.24, 25,304.40 and 11,258.40

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Solution

The fourth proportional to 18,336.24, 25,304.40 and 11,258.40 is: 15,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.24 : 25,304.40 = 11,258.40 : x
  2. Step 2: Convert to fraction form
    18,336.24/25,304.40 = 11,258.40/x
  3. Step 3: Cross multiply
    18,336.24x = 25,304.40 × 11,258.40
  4. Step 4: Simplify right side
    18,336.24x = 284,887,056.96
  5. Step 5: Solve for x
    x = 284,887,056.96/18,336.24
  6. Step 6: Final answer
    x = 15,536.83

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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.