Home / 18,470.48-25,486.94-10,512.86

Finding the Fourth Proportional to 18,470.48, 25,486.94 and 10,512.86

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Solution

The fourth proportional to 18,470.48, 25,486.94 and 10,512.86 is: 14,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.48 : 25,486.94 = 10,512.86 : x
  2. Step 2: Convert to fraction form
    18,470.48/25,486.94 = 10,512.86/x
  3. Step 3: Cross multiply
    18,470.48x = 25,486.94 × 10,512.86
  4. Step 4: Simplify right side
    18,470.48x = 267,940,632.05
  5. Step 5: Solve for x
    x = 267,940,632.05/18,470.48
  6. Step 6: Final answer
    x = 14,506.42

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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.