Home / 19,333.80-29,043.90-18,546.60

Finding the Fourth Proportional to 19,333.80, 29,043.90 and 18,546.60

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Solution

The fourth proportional to 19,333.80, 29,043.90 and 18,546.60 is: 27,861.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.80 : 29,043.90 = 18,546.60 : x
  2. Step 2: Convert to fraction form
    19,333.80/29,043.90 = 18,546.60/x
  3. Step 3: Cross multiply
    19,333.80x = 29,043.90 × 18,546.60
  4. Step 4: Simplify right side
    19,333.80x = 538,665,595.74
  5. Step 5: Solve for x
    x = 538,665,595.74/19,333.80
  6. Step 6: Final answer
    x = 27,861.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.