Home / 36,829.60-55,244.40-12,205.60

Finding the Fourth Proportional to 36,829.60, 55,244.40 and 12,205.60

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Solution

The fourth proportional to 36,829.60, 55,244.40 and 12,205.60 is: 18,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,829.60 : 55,244.40 = 12,205.60 : x
  2. Step 2: Convert to fraction form
    36,829.60/55,244.40 = 12,205.60/x
  3. Step 3: Cross multiply
    36,829.60x = 55,244.40 × 12,205.60
  4. Step 4: Simplify right side
    36,829.60x = 674,291,048.64
  5. Step 5: Solve for x
    x = 674,291,048.64/36,829.60
  6. Step 6: Final answer
    x = 18,308.40

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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.