Home / 19,842.56-27,330.18-14,790.60

Finding the Fourth Proportional to 19,842.56, 27,330.18 and 14,790.60

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Solution

The fourth proportional to 19,842.56, 27,330.18 and 14,790.60 is: 20,371.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.56 : 27,330.18 = 14,790.60 : x
  2. Step 2: Convert to fraction form
    19,842.56/27,330.18 = 14,790.60/x
  3. Step 3: Cross multiply
    19,842.56x = 27,330.18 × 14,790.60
  4. Step 4: Simplify right side
    19,842.56x = 404,229,760.31
  5. Step 5: Solve for x
    x = 404,229,760.31/19,842.56
  6. Step 6: Final answer
    x = 20,371.86

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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.