Home / 18,366.42-25,344.69-10,408.74

Finding the Fourth Proportional to 18,366.42, 25,344.69 and 10,408.74

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Solution

The fourth proportional to 18,366.42, 25,344.69 and 10,408.74 is: 14,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.42 : 25,344.69 = 10,408.74 : x
  2. Step 2: Convert to fraction form
    18,366.42/25,344.69 = 10,408.74/x
  3. Step 3: Cross multiply
    18,366.42x = 25,344.69 × 10,408.74
  4. Step 4: Simplify right side
    18,366.42x = 263,806,288.59
  5. Step 5: Solve for x
    x = 263,806,288.59/18,366.42
  6. Step 6: Final answer
    x = 14,363.51

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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.