Home / 25,109.44-34,651.31-13,778.62

Finding the Fourth Proportional to 25,109.44, 34,651.31 and 13,778.62

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Solution

The fourth proportional to 25,109.44, 34,651.31 and 13,778.62 is: 19,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109.44 : 34,651.31 = 13,778.62 : x
  2. Step 2: Convert to fraction form
    25,109.44/34,651.31 = 13,778.62/x
  3. Step 3: Cross multiply
    25,109.44x = 34,651.31 × 13,778.62
  4. Step 4: Simplify right side
    25,109.44x = 477,447,059.74
  5. Step 5: Solve for x
    x = 477,447,059.74/25,109.44
  6. Step 6: Final answer
    x = 19,014.64

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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.