Home / 19,790.86-27,314.46-11,292.96

Finding the Fourth Proportional to 19,790.86, 27,314.46 and 11,292.96

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Solution

The fourth proportional to 19,790.86, 27,314.46 and 11,292.96 is: 15,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.86 : 27,314.46 = 11,292.96 : x
  2. Step 2: Convert to fraction form
    19,790.86/27,314.46 = 11,292.96/x
  3. Step 3: Cross multiply
    19,790.86x = 27,314.46 × 11,292.96
  4. Step 4: Simplify right side
    19,790.86x = 308,461,104.20
  5. Step 5: Solve for x
    x = 308,461,104.20/19,790.86
  6. Step 6: Final answer
    x = 15,586.04

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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.