Home / 18,792.38-25,905.75-14,805.56

Finding the Fourth Proportional to 18,792.38, 25,905.75 and 14,805.56

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Solution

The fourth proportional to 18,792.38, 25,905.75 and 14,805.56 is: 20,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792.38 : 25,905.75 = 14,805.56 : x
  2. Step 2: Convert to fraction form
    18,792.38/25,905.75 = 14,805.56/x
  3. Step 3: Cross multiply
    18,792.38x = 25,905.75 × 14,805.56
  4. Step 4: Simplify right side
    18,792.38x = 383,549,135.97
  5. Step 5: Solve for x
    x = 383,549,135.97/18,792.38
  6. Step 6: Final answer
    x = 20,409.82

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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.