Home / 18,799.49-25,938.73-10,415.99

Finding the Fourth Proportional to 18,799.49, 25,938.73 and 10,415.99

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Solution

The fourth proportional to 18,799.49, 25,938.73 and 10,415.99 is: 14,371.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799.49 : 25,938.73 = 10,415.99 : x
  2. Step 2: Convert to fraction form
    18,799.49/25,938.73 = 10,415.99/x
  3. Step 3: Cross multiply
    18,799.49x = 25,938.73 × 10,415.99
  4. Step 4: Simplify right side
    18,799.49x = 270,177,630.16
  5. Step 5: Solve for x
    x = 270,177,630.16/18,799.49
  6. Step 6: Final answer
    x = 14,371.54

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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.