Home / 18,458.99-27,692.89-5,979.04

Finding the Fourth Proportional to 18,458.99, 27,692.89 and 5,979.04

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Solution

The fourth proportional to 18,458.99, 27,692.89 and 5,979.04 is: 8,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.99 : 27,692.89 = 5,979.04 : x
  2. Step 2: Convert to fraction form
    18,458.99/27,692.89 = 5,979.04/x
  3. Step 3: Cross multiply
    18,458.99x = 27,692.89 × 5,979.04
  4. Step 4: Simplify right side
    18,458.99x = 165,576,812.85
  5. Step 5: Solve for x
    x = 165,576,812.85/18,458.99
  6. Step 6: Final answer
    x = 8,969.98

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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.