Home / 18,792.05-25,933.70-10,408.55

Finding the Fourth Proportional to 18,792.05, 25,933.70 and 10,408.55

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Solution

The fourth proportional to 18,792.05, 25,933.70 and 10,408.55 is: 14,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792.05 : 25,933.70 = 10,408.55 : x
  2. Step 2: Convert to fraction form
    18,792.05/25,933.70 = 10,408.55/x
  3. Step 3: Cross multiply
    18,792.05x = 25,933.70 × 10,408.55
  4. Step 4: Simplify right side
    18,792.05x = 269,932,109.49
  5. Step 5: Solve for x
    x = 269,932,109.49/18,792.05
  6. Step 6: Final answer
    x = 14,364.17

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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.