Home / 26,838.03-40,268.20-13,503.91

Finding the Fourth Proportional to 26,838.03, 40,268.20 and 13,503.91

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Solution

The fourth proportional to 26,838.03, 40,268.20 and 13,503.91 is: 20,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,838.03 : 40,268.20 = 13,503.91 : x
  2. Step 2: Convert to fraction form
    26,838.03/40,268.20 = 13,503.91/x
  3. Step 3: Cross multiply
    26,838.03x = 40,268.20 × 13,503.91
  4. Step 4: Simplify right side
    26,838.03x = 543,778,148.66
  5. Step 5: Solve for x
    x = 543,778,148.66/26,838.03
  6. Step 6: Final answer
    x = 20,261.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.