Home / 36,784.02-55,181.21-11,815.69

Finding the Fourth Proportional to 36,784.02, 55,181.21 and 11,815.69

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Solution

The fourth proportional to 36,784.02, 55,181.21 and 11,815.69 is: 17,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,784.02 : 55,181.21 = 11,815.69 : x
  2. Step 2: Convert to fraction form
    36,784.02/55,181.21 = 11,815.69/x
  3. Step 3: Cross multiply
    36,784.02x = 55,181.21 × 11,815.69
  4. Step 4: Simplify right side
    36,784.02x = 652,004,370.38
  5. Step 5: Solve for x
    x = 652,004,370.38/36,784.02
  6. Step 6: Final answer
    x = 17,725.21

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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.