Home / 36,543.12-54,815.04-12,849.60

Finding the Fourth Proportional to 36,543.12, 54,815.04 and 12,849.60

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Solution

The fourth proportional to 36,543.12, 54,815.04 and 12,849.60 is: 19,274.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,543.12 : 54,815.04 = 12,849.60 : x
  2. Step 2: Convert to fraction form
    36,543.12/54,815.04 = 12,849.60/x
  3. Step 3: Cross multiply
    36,543.12x = 54,815.04 × 12,849.60
  4. Step 4: Simplify right side
    36,543.12x = 704,351,337.98
  5. Step 5: Solve for x
    x = 704,351,337.98/36,543.12
  6. Step 6: Final answer
    x = 19,274.53

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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.