Home / 19,379.60-26,743.56-10,995.92

Finding the Fourth Proportional to 19,379.60, 26,743.56 and 10,995.92

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Solution

The fourth proportional to 19,379.60, 26,743.56 and 10,995.92 is: 15,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.60 : 26,743.56 = 10,995.92 : x
  2. Step 2: Convert to fraction form
    19,379.60/26,743.56 = 10,995.92/x
  3. Step 3: Cross multiply
    19,379.60x = 26,743.56 × 10,995.92
  4. Step 4: Simplify right side
    19,379.60x = 294,070,046.28
  5. Step 5: Solve for x
    x = 294,070,046.28/19,379.60
  6. Step 6: Final answer
    x = 15,174.21

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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.