Home / 25,189.65-34,761.69-13,859.98

Finding the Fourth Proportional to 25,189.65, 34,761.69 and 13,859.98

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Solution

The fourth proportional to 25,189.65, 34,761.69 and 13,859.98 is: 19,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,189.65 : 34,761.69 = 13,859.98 : x
  2. Step 2: Convert to fraction form
    25,189.65/34,761.69 = 13,859.98/x
  3. Step 3: Cross multiply
    25,189.65x = 34,761.69 × 13,859.98
  4. Step 4: Simplify right side
    25,189.65x = 481,796,241.26
  5. Step 5: Solve for x
    x = 481,796,241.26/25,189.65
  6. Step 6: Final answer
    x = 19,126.75

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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.