Home / 18,364.57-25,341.66-10,408.03

Finding the Fourth Proportional to 18,364.57, 25,341.66 and 10,408.03

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Solution

The fourth proportional to 18,364.57, 25,341.66 and 10,408.03 is: 14,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.57 : 25,341.66 = 10,408.03 : x
  2. Step 2: Convert to fraction form
    18,364.57/25,341.66 = 10,408.03/x
  3. Step 3: Cross multiply
    18,364.57x = 25,341.66 × 10,408.03
  4. Step 4: Simplify right side
    18,364.57x = 263,756,757.53
  5. Step 5: Solve for x
    x = 263,756,757.53/18,364.57
  6. Step 6: Final answer
    x = 14,362.26

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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.