Home / 18,214.49-25,135.32-10,147.96

Finding the Fourth Proportional to 18,214.49, 25,135.32 and 10,147.96

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Solution

The fourth proportional to 18,214.49, 25,135.32 and 10,147.96 is: 14,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.49 : 25,135.32 = 10,147.96 : x
  2. Step 2: Convert to fraction form
    18,214.49/25,135.32 = 10,147.96/x
  3. Step 3: Cross multiply
    18,214.49x = 25,135.32 × 10,147.96
  4. Step 4: Simplify right side
    18,214.49x = 255,072,197.16
  5. Step 5: Solve for x
    x = 255,072,197.16/18,214.49
  6. Step 6: Final answer
    x = 14,003.80

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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.