Home / 18,363.92-25,341.68-10,408.70

Finding the Fourth Proportional to 18,363.92, 25,341.68 and 10,408.70

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Solution

The fourth proportional to 18,363.92, 25,341.68 and 10,408.70 is: 14,363.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363.92 : 25,341.68 = 10,408.70 : x
  2. Step 2: Convert to fraction form
    18,363.92/25,341.68 = 10,408.70/x
  3. Step 3: Cross multiply
    18,363.92x = 25,341.68 × 10,408.70
  4. Step 4: Simplify right side
    18,363.92x = 263,774,033.99
  5. Step 5: Solve for x
    x = 263,774,033.99/18,363.92
  6. Step 6: Final answer
    x = 14,363.71

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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.