Home / 25,107.75-34,648.83-13,778.33

Finding the Fourth Proportional to 25,107.75, 34,648.83 and 13,778.33

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Solution

The fourth proportional to 25,107.75, 34,648.83 and 13,778.33 is: 19,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.75 : 34,648.83 = 13,778.33 : x
  2. Step 2: Convert to fraction form
    25,107.75/34,648.83 = 13,778.33/x
  3. Step 3: Cross multiply
    25,107.75x = 34,648.83 × 13,778.33
  4. Step 4: Simplify right side
    25,107.75x = 477,402,840.61
  5. Step 5: Solve for x
    x = 477,402,840.61/25,107.75
  6. Step 6: Final answer
    x = 19,014.16

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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.