Home / 18,936.33-28,353.69-10,592.58

Finding the Fourth Proportional to 18,936.33, 28,353.69 and 10,592.58

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Solution

The fourth proportional to 18,936.33, 28,353.69 and 10,592.58 is: 15,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936.33 : 28,353.69 = 10,592.58 : x
  2. Step 2: Convert to fraction form
    18,936.33/28,353.69 = 10,592.58/x
  3. Step 3: Cross multiply
    18,936.33x = 28,353.69 × 10,592.58
  4. Step 4: Simplify right side
    18,936.33x = 300,338,689.90
  5. Step 5: Solve for x
    x = 300,338,689.90/18,936.33
  6. Step 6: Final answer
    x = 15,860.45

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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.