Home / 25,003.28-34,504.40-13,825.28

Finding the Fourth Proportional to 25,003.28, 34,504.40 and 13,825.28

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Solution

The fourth proportional to 25,003.28, 34,504.40 and 13,825.28 is: 19,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,003.28 : 34,504.40 = 13,825.28 : x
  2. Step 2: Convert to fraction form
    25,003.28/34,504.40 = 13,825.28/x
  3. Step 3: Cross multiply
    25,003.28x = 34,504.40 × 13,825.28
  4. Step 4: Simplify right side
    25,003.28x = 477,032,991.23
  5. Step 5: Solve for x
    x = 477,032,991.23/25,003.28
  6. Step 6: Final answer
    x = 19,078.82

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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.