Home / 26,571.43-36,638.15-19,845.69

Finding the Fourth Proportional to 26,571.43, 36,638.15 and 19,845.69

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Solution

The fourth proportional to 26,571.43, 36,638.15 and 19,845.69 is: 27,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,571.43 : 36,638.15 = 19,845.69 : x
  2. Step 2: Convert to fraction form
    26,571.43/36,638.15 = 19,845.69/x
  3. Step 3: Cross multiply
    26,571.43x = 36,638.15 × 19,845.69
  4. Step 4: Simplify right side
    26,571.43x = 727,109,392.36
  5. Step 5: Solve for x
    x = 727,109,392.36/26,571.43
  6. Step 6: Final answer
    x = 27,364.34

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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.