Home / 26,481.85-39,703.53-12,434.65

Finding the Fourth Proportional to 26,481.85, 39,703.53 and 12,434.65

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Solution

The fourth proportional to 26,481.85, 39,703.53 and 12,434.65 is: 18,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,481.85 : 39,703.53 = 12,434.65 : x
  2. Step 2: Convert to fraction form
    26,481.85/39,703.53 = 12,434.65/x
  3. Step 3: Cross multiply
    26,481.85x = 39,703.53 × 12,434.65
  4. Step 4: Simplify right side
    26,481.85x = 493,699,499.31
  5. Step 5: Solve for x
    x = 493,699,499.31/26,481.85
  6. Step 6: Final answer
    x = 18,642.94

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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.