Home / 14,119.54-19,485.25-8,454.53

Finding the Fourth Proportional to 14,119.54, 19,485.25 and 8,454.53

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Solution

The fourth proportional to 14,119.54, 19,485.25 and 8,454.53 is: 11,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.54 : 19,485.25 = 8,454.53 : x
  2. Step 2: Convert to fraction form
    14,119.54/19,485.25 = 8,454.53/x
  3. Step 3: Cross multiply
    14,119.54x = 19,485.25 × 8,454.53
  4. Step 4: Simplify right side
    14,119.54x = 164,738,658.26
  5. Step 5: Solve for x
    x = 164,738,658.26/14,119.54
  6. Step 6: Final answer
    x = 11,667.43

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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.