Home / 25,790.22-38,672.37-11,948.94

Finding the Fourth Proportional to 25,790.22, 38,672.37 and 11,948.94

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Solution

The fourth proportional to 25,790.22, 38,672.37 and 11,948.94 is: 17,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,790.22 : 38,672.37 = 11,948.94 : x
  2. Step 2: Convert to fraction form
    25,790.22/38,672.37 = 11,948.94/x
  3. Step 3: Cross multiply
    25,790.22x = 38,672.37 × 11,948.94
  4. Step 4: Simplify right side
    25,790.22x = 462,093,828.79
  5. Step 5: Solve for x
    x = 462,093,828.79/25,790.22
  6. Step 6: Final answer
    x = 17,917.41

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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.