Home / 14,171.30-19,554.34-8,504.85

Finding the Fourth Proportional to 14,171.30, 19,554.34 and 8,504.85

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Solution

The fourth proportional to 14,171.30, 19,554.34 and 8,504.85 is: 11,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.30 : 19,554.34 = 8,504.85 : x
  2. Step 2: Convert to fraction form
    14,171.30/19,554.34 = 8,504.85/x
  3. Step 3: Cross multiply
    14,171.30x = 19,554.34 × 8,504.85
  4. Step 4: Simplify right side
    14,171.30x = 166,306,662.65
  5. Step 5: Solve for x
    x = 166,306,662.65/14,171.30
  6. Step 6: Final answer
    x = 11,735.45

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Half scale
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Double scale
Find fourth proportional to 14,172.30, 19,555.72 and 8,505.85
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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.