Home / 36,147.02-54,223.26-11,189.60

Finding the Fourth Proportional to 36,147.02, 54,223.26 and 11,189.60

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Solution

The fourth proportional to 36,147.02, 54,223.26 and 11,189.60 is: 16,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,147.02 : 54,223.26 = 11,189.60 : x
  2. Step 2: Convert to fraction form
    36,147.02/54,223.26 = 11,189.60/x
  3. Step 3: Cross multiply
    36,147.02x = 54,223.26 × 11,189.60
  4. Step 4: Simplify right side
    36,147.02x = 606,736,590.10
  5. Step 5: Solve for x
    x = 606,736,590.10/36,147.02
  6. Step 6: Final answer
    x = 16,785.25

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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.