Home / 17,186.40-25,779.60-7,336.80

Finding the Fourth Proportional to 17,186.40, 25,779.60 and 7,336.80

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Solution

The fourth proportional to 17,186.40, 25,779.60 and 7,336.80 is: 11,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,186.40 : 25,779.60 = 7,336.80 : x
  2. Step 2: Convert to fraction form
    17,186.40/25,779.60 = 7,336.80/x
  3. Step 3: Cross multiply
    17,186.40x = 25,779.60 × 7,336.80
  4. Step 4: Simplify right side
    17,186.40x = 189,139,769.28
  5. Step 5: Solve for x
    x = 189,139,769.28/17,186.40
  6. Step 6: Final answer
    x = 11,005.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.