Home / 18,679.02-28,022.63-5,532.42

Finding the Fourth Proportional to 18,679.02, 28,022.63 and 5,532.42

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Solution

The fourth proportional to 18,679.02, 28,022.63 and 5,532.42 is: 8,299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.02 : 28,022.63 = 5,532.42 : x
  2. Step 2: Convert to fraction form
    18,679.02/28,022.63 = 5,532.42/x
  3. Step 3: Cross multiply
    18,679.02x = 28,022.63 × 5,532.42
  4. Step 4: Simplify right side
    18,679.02x = 155,032,958.66
  5. Step 5: Solve for x
    x = 155,032,958.66/18,679.02
  6. Step 6: Final answer
    x = 8,299.84

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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.