Home / 16,903.10-23,327.79-9,351.20

Finding the Fourth Proportional to 16,903.10, 23,327.79 and 9,351.20

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Solution

The fourth proportional to 16,903.10, 23,327.79 and 9,351.20 is: 12,905.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,903.10 : 23,327.79 = 9,351.20 : x
  2. Step 2: Convert to fraction form
    16,903.10/23,327.79 = 9,351.20/x
  3. Step 3: Cross multiply
    16,903.10x = 23,327.79 × 9,351.20
  4. Step 4: Simplify right side
    16,903.10x = 218,142,829.85
  5. Step 5: Solve for x
    x = 218,142,829.85/16,903.10
  6. Step 6: Final answer
    x = 12,905.49

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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.