Home / 26,415.22-39,347.57-25,012.78

Finding the Fourth Proportional to 26,415.22, 39,347.57 and 25,012.78

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Solution

The fourth proportional to 26,415.22, 39,347.57 and 25,012.78 is: 37,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415.22 : 39,347.57 = 25,012.78 : x
  2. Step 2: Convert to fraction form
    26,415.22/39,347.57 = 25,012.78/x
  3. Step 3: Cross multiply
    26,415.22x = 39,347.57 × 25,012.78
  4. Step 4: Simplify right side
    26,415.22x = 984,192,111.94
  5. Step 5: Solve for x
    x = 984,192,111.94/26,415.22
  6. Step 6: Final answer
    x = 37,258.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.