Home / 16,866.40-25,299.60-11,941.60

Finding the Fourth Proportional to 16,866.40, 25,299.60 and 11,941.60

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Solution

The fourth proportional to 16,866.40, 25,299.60 and 11,941.60 is: 17,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.40 : 25,299.60 = 11,941.60 : x
  2. Step 2: Convert to fraction form
    16,866.40/25,299.60 = 11,941.60/x
  3. Step 3: Cross multiply
    16,866.40x = 25,299.60 × 11,941.60
  4. Step 4: Simplify right side
    16,866.40x = 302,117,703.36
  5. Step 5: Solve for x
    x = 302,117,703.36/16,866.40
  6. Step 6: Final answer
    x = 17,912.40

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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.