Home / 25,969.50-38,940.40-13,476.95

Finding the Fourth Proportional to 25,969.50, 38,940.40 and 13,476.95

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Solution

The fourth proportional to 25,969.50, 38,940.40 and 13,476.95 is: 20,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,969.50 : 38,940.40 = 13,476.95 : x
  2. Step 2: Convert to fraction form
    25,969.50/38,940.40 = 13,476.95/x
  3. Step 3: Cross multiply
    25,969.50x = 38,940.40 × 13,476.95
  4. Step 4: Simplify right side
    25,969.50x = 524,797,716.14
  5. Step 5: Solve for x
    x = 524,797,716.14/25,969.50
  6. Step 6: Final answer
    x = 20,208.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.