Home / 36,280.01-54,387.16-12,900.98

Finding the Fourth Proportional to 36,280.01, 54,387.16 and 12,900.98

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Solution

The fourth proportional to 36,280.01, 54,387.16 and 12,900.98 is: 19,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,280.01 : 54,387.16 = 12,900.98 : x
  2. Step 2: Convert to fraction form
    36,280.01/54,387.16 = 12,900.98/x
  3. Step 3: Cross multiply
    36,280.01x = 54,387.16 × 12,900.98
  4. Step 4: Simplify right side
    36,280.01x = 701,647,663.42
  5. Step 5: Solve for x
    x = 701,647,663.42/36,280.01
  6. Step 6: Final answer
    x = 19,339.79

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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.