Home / 25,235.56-34,825.98-13,905.64

Finding the Fourth Proportional to 25,235.56, 34,825.98 and 13,905.64

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Solution

The fourth proportional to 25,235.56, 34,825.98 and 13,905.64 is: 19,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,235.56 : 34,825.98 = 13,905.64 : x
  2. Step 2: Convert to fraction form
    25,235.56/34,825.98 = 13,905.64/x
  3. Step 3: Cross multiply
    25,235.56x = 34,825.98 × 13,905.64
  4. Step 4: Simplify right side
    25,235.56x = 484,277,540.53
  5. Step 5: Solve for x
    x = 484,277,540.53/25,235.56
  6. Step 6: Final answer
    x = 19,190.28

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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.