Home / 25,138.37-34,684.73-14,236.69

Finding the Fourth Proportional to 25,138.37, 34,684.73 and 14,236.69

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Solution

The fourth proportional to 25,138.37, 34,684.73 and 14,236.69 is: 19,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,138.37 : 34,684.73 = 14,236.69 : x
  2. Step 2: Convert to fraction form
    25,138.37/34,684.73 = 14,236.69/x
  3. Step 3: Cross multiply
    25,138.37x = 34,684.73 × 14,236.69
  4. Step 4: Simplify right side
    25,138.37x = 493,795,504.14
  5. Step 5: Solve for x
    x = 493,795,504.14/25,138.37
  6. Step 6: Final answer
    x = 19,643.10

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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.