Home / 53,587.20-80,380.40-16,147.12

Finding the Fourth Proportional to 53,587.20, 80,380.40 and 16,147.12

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Solution

The fourth proportional to 53,587.20, 80,380.40 and 16,147.12 is: 24,220.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,587.20 : 80,380.40 = 16,147.12 : x
  2. Step 2: Convert to fraction form
    53,587.20/80,380.40 = 16,147.12/x
  3. Step 3: Cross multiply
    53,587.20x = 80,380.40 × 16,147.12
  4. Step 4: Simplify right side
    53,587.20x = 1,297,911,964.45
  5. Step 5: Solve for x
    x = 1,297,911,964.45/53,587.20
  6. Step 6: Final answer
    x = 24,220.56

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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.