Home / 13,412.37-20,028.21-10,951.99

Finding the Fourth Proportional to 13,412.37, 20,028.21 and 10,951.99

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Solution

The fourth proportional to 13,412.37, 20,028.21 and 10,951.99 is: 16,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.37 : 20,028.21 = 10,951.99 : x
  2. Step 2: Convert to fraction form
    13,412.37/20,028.21 = 10,951.99/x
  3. Step 3: Cross multiply
    13,412.37x = 20,028.21 × 10,951.99
  4. Step 4: Simplify right side
    13,412.37x = 219,348,728.26
  5. Step 5: Solve for x
    x = 219,348,728.26/13,412.37
  6. Step 6: Final answer
    x = 16,354.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.