Home / 18,672.42-25,766.73-10,288.92

Finding the Fourth Proportional to 18,672.42, 25,766.73 and 10,288.92

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Solution

The fourth proportional to 18,672.42, 25,766.73 and 10,288.92 is: 14,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672.42 : 25,766.73 = 10,288.92 : x
  2. Step 2: Convert to fraction form
    18,672.42/25,766.73 = 10,288.92/x
  3. Step 3: Cross multiply
    18,672.42x = 25,766.73 × 10,288.92
  4. Step 4: Simplify right side
    18,672.42x = 265,111,823.63
  5. Step 5: Solve for x
    x = 265,111,823.63/18,672.42
  6. Step 6: Final answer
    x = 14,198.04

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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.