Home / 26,394.48-36,415.33-15,055.78

Finding the Fourth Proportional to 26,394.48, 36,415.33 and 15,055.78

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Solution

The fourth proportional to 26,394.48, 36,415.33 and 15,055.78 is: 20,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,394.48 : 36,415.33 = 15,055.78 : x
  2. Step 2: Convert to fraction form
    26,394.48/36,415.33 = 15,055.78/x
  3. Step 3: Cross multiply
    26,394.48x = 36,415.33 × 15,055.78
  4. Step 4: Simplify right side
    26,394.48x = 548,261,197.11
  5. Step 5: Solve for x
    x = 548,261,197.11/26,394.48
  6. Step 6: Final answer
    x = 20,771.81

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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.