Home / 12,722.44-17,554.18-12,302.92

Finding the Fourth Proportional to 12,722.44, 17,554.18 and 12,302.92

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Solution

The fourth proportional to 12,722.44, 17,554.18 and 12,302.92 is: 16,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.44 : 17,554.18 = 12,302.92 : x
  2. Step 2: Convert to fraction form
    12,722.44/17,554.18 = 12,302.92/x
  3. Step 3: Cross multiply
    12,722.44x = 17,554.18 × 12,302.92
  4. Step 4: Simplify right side
    12,722.44x = 215,967,672.21
  5. Step 5: Solve for x
    x = 215,967,672.21/12,722.44
  6. Step 6: Final answer
    x = 16,975.33

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Half scale
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Double scale
Find fourth proportional to 12,723.44, 17,555.56 and 12,303.92
Similar ratio
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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.