Home / 16,673.37-23,009.84-9,120.39

Finding the Fourth Proportional to 16,673.37, 23,009.84 and 9,120.39

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Solution

The fourth proportional to 16,673.37, 23,009.84 and 9,120.39 is: 12,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,673.37 : 23,009.84 = 9,120.39 : x
  2. Step 2: Convert to fraction form
    16,673.37/23,009.84 = 9,120.39/x
  3. Step 3: Cross multiply
    16,673.37x = 23,009.84 × 9,120.39
  4. Step 4: Simplify right side
    16,673.37x = 209,858,714.64
  5. Step 5: Solve for x
    x = 209,858,714.64/16,673.37
  6. Step 6: Final answer
    x = 12,586.46

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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.