Home / 26,921.00-37,112.48-18,938.45

Finding the Fourth Proportional to 26,921.00, 37,112.48 and 18,938.45

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Solution

The fourth proportional to 26,921.00, 37,112.48 and 18,938.45 is: 26,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.00 : 37,112.48 = 18,938.45 : x
  2. Step 2: Convert to fraction form
    26,921.00/37,112.48 = 18,938.45/x
  3. Step 3: Cross multiply
    26,921.00x = 37,112.48 × 18,938.45
  4. Step 4: Simplify right side
    26,921.00x = 702,852,566.60
  5. Step 5: Solve for x
    x = 702,852,566.60/26,921.00
  6. Step 6: Final answer
    x = 26,107.97

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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.