Home / 27,085.72-40,633.67-12,295.68

Finding the Fourth Proportional to 27,085.72, 40,633.67 and 12,295.68

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Solution

The fourth proportional to 27,085.72, 40,633.67 and 12,295.68 is: 18,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085.72 : 40,633.67 = 12,295.68 : x
  2. Step 2: Convert to fraction form
    27,085.72/40,633.67 = 12,295.68/x
  3. Step 3: Cross multiply
    27,085.72x = 40,633.67 × 12,295.68
  4. Step 4: Simplify right side
    27,085.72x = 499,618,603.55
  5. Step 5: Solve for x
    x = 499,618,603.55/27,085.72
  6. Step 6: Final answer
    x = 18,445.83

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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.