Home / 13,012.02-19,408.38-10,907.64

Finding the Fourth Proportional to 13,012.02, 19,408.38 and 10,907.64

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Solution

The fourth proportional to 13,012.02, 19,408.38 and 10,907.64 is: 16,269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.02 : 19,408.38 = 10,907.64 : x
  2. Step 2: Convert to fraction form
    13,012.02/19,408.38 = 10,907.64/x
  3. Step 3: Cross multiply
    13,012.02x = 19,408.38 × 10,907.64
  4. Step 4: Simplify right side
    13,012.02x = 211,699,622.02
  5. Step 5: Solve for x
    x = 211,699,622.02/13,012.02
  6. Step 6: Final answer
    x = 16,269.54

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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.