Home / 18,258.94-25,195.17-10,300.70

Finding the Fourth Proportional to 18,258.94, 25,195.17 and 10,300.70

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Solution

The fourth proportional to 18,258.94, 25,195.17 and 10,300.70 is: 14,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.94 : 25,195.17 = 10,300.70 : x
  2. Step 2: Convert to fraction form
    18,258.94/25,195.17 = 10,300.70/x
  3. Step 3: Cross multiply
    18,258.94x = 25,195.17 × 10,300.70
  4. Step 4: Simplify right side
    18,258.94x = 259,527,887.62
  5. Step 5: Solve for x
    x = 259,527,887.62/18,258.94
  6. Step 6: Final answer
    x = 14,213.74

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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.