Home / 16,939.60-23,368.56-11,276.96

Finding the Fourth Proportional to 16,939.60, 23,368.56 and 11,276.96

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Solution

The fourth proportional to 16,939.60, 23,368.56 and 11,276.96 is: 15,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.60 : 23,368.56 = 11,276.96 : x
  2. Step 2: Convert to fraction form
    16,939.60/23,368.56 = 11,276.96/x
  3. Step 3: Cross multiply
    16,939.60x = 23,368.56 × 11,276.96
  4. Step 4: Simplify right side
    16,939.60x = 263,526,316.38
  5. Step 5: Solve for x
    x = 263,526,316.38/16,939.60
  6. Step 6: Final answer
    x = 15,556.82

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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.