Home / 19,687.08-27,168.53-11,733.91

Finding the Fourth Proportional to 19,687.08, 27,168.53 and 11,733.91

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Solution

The fourth proportional to 19,687.08, 27,168.53 and 11,733.91 is: 16,193.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.08 : 27,168.53 = 11,733.91 : x
  2. Step 2: Convert to fraction form
    19,687.08/27,168.53 = 11,733.91/x
  3. Step 3: Cross multiply
    19,687.08x = 27,168.53 × 11,733.91
  4. Step 4: Simplify right side
    19,687.08x = 318,793,085.85
  5. Step 5: Solve for x
    x = 318,793,085.85/19,687.08
  6. Step 6: Final answer
    x = 16,193.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.