Home / 13,212.02-19,820.46-10,768.26

Finding the Fourth Proportional to 13,212.02, 19,820.46 and 10,768.26

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Solution

The fourth proportional to 13,212.02, 19,820.46 and 10,768.26 is: 16,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.02 : 19,820.46 = 10,768.26 : x
  2. Step 2: Convert to fraction form
    13,212.02/19,820.46 = 10,768.26/x
  3. Step 3: Cross multiply
    13,212.02x = 19,820.46 × 10,768.26
  4. Step 4: Simplify right side
    13,212.02x = 213,431,866.60
  5. Step 5: Solve for x
    x = 213,431,866.60/13,212.02
  6. Step 6: Final answer
    x = 16,154.37

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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.