Home / 18,214.14-25,135.26-10,257.14

Finding the Fourth Proportional to 18,214.14, 25,135.26 and 10,257.14

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Solution

The fourth proportional to 18,214.14, 25,135.26 and 10,257.14 is: 14,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.14 : 25,135.26 = 10,257.14 : x
  2. Step 2: Convert to fraction form
    18,214.14/25,135.26 = 10,257.14/x
  3. Step 3: Cross multiply
    18,214.14x = 25,135.26 × 10,257.14
  4. Step 4: Simplify right side
    18,214.14x = 257,815,880.76
  5. Step 5: Solve for x
    x = 257,815,880.76/18,214.14
  6. Step 6: Final answer
    x = 14,154.71

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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.