Home / 26,139.75-36,072.93-14,811.33

Finding the Fourth Proportional to 26,139.75, 36,072.93 and 14,811.33

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Solution

The fourth proportional to 26,139.75, 36,072.93 and 14,811.33 is: 20,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.75 : 36,072.93 = 14,811.33 : x
  2. Step 2: Convert to fraction form
    26,139.75/36,072.93 = 14,811.33/x
  3. Step 3: Cross multiply
    26,139.75x = 36,072.93 × 14,811.33
  4. Step 4: Simplify right side
    26,139.75x = 534,288,070.30
  5. Step 5: Solve for x
    x = 534,288,070.30/26,139.75
  6. Step 6: Final answer
    x = 20,439.68

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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.