Home / 25,109.73-34,650.26-13,778.94

Finding the Fourth Proportional to 25,109.73, 34,650.26 and 13,778.94

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Solution

The fourth proportional to 25,109.73, 34,650.26 and 13,778.94 is: 19,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109.73 : 34,650.26 = 13,778.94 : x
  2. Step 2: Convert to fraction form
    25,109.73/34,650.26 = 13,778.94/x
  3. Step 3: Cross multiply
    25,109.73x = 34,650.26 × 13,778.94
  4. Step 4: Simplify right side
    25,109.73x = 477,443,784.63
  5. Step 5: Solve for x
    x = 477,443,784.63/25,109.73
  6. Step 6: Final answer
    x = 19,014.29

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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.