Home / 18,882.89-28,322.49-5,735.37

Finding the Fourth Proportional to 18,882.89, 28,322.49 and 5,735.37

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Solution

The fourth proportional to 18,882.89, 28,322.49 and 5,735.37 is: 8,602.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.89 : 28,322.49 = 5,735.37 : x
  2. Step 2: Convert to fraction form
    18,882.89/28,322.49 = 5,735.37/x
  3. Step 3: Cross multiply
    18,882.89x = 28,322.49 × 5,735.37
  4. Step 4: Simplify right side
    18,882.89x = 162,439,959.47
  5. Step 5: Solve for x
    x = 162,439,959.47/18,882.89
  6. Step 6: Final answer
    x = 8,602.50

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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.