Home / 18,258.44-25,194.48-10,300.20

Finding the Fourth Proportional to 18,258.44, 25,194.48 and 10,300.20

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Solution

The fourth proportional to 18,258.44, 25,194.48 and 10,300.20 is: 14,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.44 : 25,194.48 = 10,300.20 : x
  2. Step 2: Convert to fraction form
    18,258.44/25,194.48 = 10,300.20/x
  3. Step 3: Cross multiply
    18,258.44x = 25,194.48 × 10,300.20
  4. Step 4: Simplify right side
    18,258.44x = 259,508,182.90
  5. Step 5: Solve for x
    x = 259,508,182.90/18,258.44
  6. Step 6: Final answer
    x = 14,213.05

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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.