Home / 26,939.49-40,384.29-13,762.80

Finding the Fourth Proportional to 26,939.49, 40,384.29 and 13,762.80

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Solution

The fourth proportional to 26,939.49, 40,384.29 and 13,762.80 is: 20,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,939.49 : 40,384.29 = 13,762.80 : x
  2. Step 2: Convert to fraction form
    26,939.49/40,384.29 = 13,762.80/x
  3. Step 3: Cross multiply
    26,939.49x = 40,384.29 × 13,762.80
  4. Step 4: Simplify right side
    26,939.49x = 555,800,906.41
  5. Step 5: Solve for x
    x = 555,800,906.41/26,939.49
  6. Step 6: Final answer
    x = 20,631.46

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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.