Home / 26,699.36-36,853.86-18,743.54

Finding the Fourth Proportional to 26,699.36, 36,853.86 and 18,743.54

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Solution

The fourth proportional to 26,699.36, 36,853.86 and 18,743.54 is: 25,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,699.36 : 36,853.86 = 18,743.54 : x
  2. Step 2: Convert to fraction form
    26,699.36/36,853.86 = 18,743.54/x
  3. Step 3: Cross multiply
    26,699.36x = 36,853.86 × 18,743.54
  4. Step 4: Simplify right side
    26,699.36x = 690,771,799.06
  5. Step 5: Solve for x
    x = 690,771,799.06/26,699.36
  6. Step 6: Final answer
    x = 25,872.22

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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.