Home / 26,991.63-37,255.12-18,392.03

Finding the Fourth Proportional to 26,991.63, 37,255.12 and 18,392.03

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Solution

The fourth proportional to 26,991.63, 37,255.12 and 18,392.03 is: 25,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,991.63 : 37,255.12 = 18,392.03 : x
  2. Step 2: Convert to fraction form
    26,991.63/37,255.12 = 18,392.03/x
  3. Step 3: Cross multiply
    26,991.63x = 37,255.12 × 18,392.03
  4. Step 4: Simplify right side
    26,991.63x = 685,197,284.69
  5. Step 5: Solve for x
    x = 685,197,284.69/26,991.63
  6. Step 6: Final answer
    x = 25,385.55

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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.