Home / 43,937.91-65,911.73-12,775.59

Finding the Fourth Proportional to 43,937.91, 65,911.73 and 12,775.59

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Solution

The fourth proportional to 43,937.91, 65,911.73 and 12,775.59 is: 19,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,937.91 : 65,911.73 = 12,775.59 : x
  2. Step 2: Convert to fraction form
    43,937.91/65,911.73 = 12,775.59/x
  3. Step 3: Cross multiply
    43,937.91x = 65,911.73 × 12,775.59
  4. Step 4: Simplify right side
    43,937.91x = 842,061,174.79
  5. Step 5: Solve for x
    x = 842,061,174.79/43,937.91
  6. Step 6: Final answer
    x = 19,164.80

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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.