Home / 26,889.50-40,334.26-12,806.84

Finding the Fourth Proportional to 26,889.50, 40,334.26 and 12,806.84

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Solution

The fourth proportional to 26,889.50, 40,334.26 and 12,806.84 is: 19,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889.50 : 40,334.26 = 12,806.84 : x
  2. Step 2: Convert to fraction form
    26,889.50/40,334.26 = 12,806.84/x
  3. Step 3: Cross multiply
    26,889.50x = 40,334.26 × 12,806.84
  4. Step 4: Simplify right side
    26,889.50x = 516,554,414.34
  5. Step 5: Solve for x
    x = 516,554,414.34/26,889.50
  6. Step 6: Final answer
    x = 19,210.26

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1.5x scale

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.