Home / 16,983.18-23,427.45-11,945.34

Finding the Fourth Proportional to 16,983.18, 23,427.45 and 11,945.34

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Solution

The fourth proportional to 16,983.18, 23,427.45 and 11,945.34 is: 16,478.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.18 : 23,427.45 = 11,945.34 : x
  2. Step 2: Convert to fraction form
    16,983.18/23,427.45 = 11,945.34/x
  3. Step 3: Cross multiply
    16,983.18x = 23,427.45 × 11,945.34
  4. Step 4: Simplify right side
    16,983.18x = 279,848,855.58
  5. Step 5: Solve for x
    x = 279,848,855.58/16,983.18
  6. Step 6: Final answer
    x = 16,478.00

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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.