Home / 16,775.37-23,127.19-12,669.21

Finding the Fourth Proportional to 16,775.37, 23,127.19 and 12,669.21

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Solution

The fourth proportional to 16,775.37, 23,127.19 and 12,669.21 is: 17,466.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,775.37 : 23,127.19 = 12,669.21 : x
  2. Step 2: Convert to fraction form
    16,775.37/23,127.19 = 12,669.21/x
  3. Step 3: Cross multiply
    16,775.37x = 23,127.19 × 12,669.21
  4. Step 4: Simplify right side
    16,775.37x = 293,003,195.15
  5. Step 5: Solve for x
    x = 293,003,195.15/16,775.37
  6. Step 6: Final answer
    x = 17,466.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.