Home / 18,453.38-25,465.68-10,069.88

Finding the Fourth Proportional to 18,453.38, 25,465.68 and 10,069.88

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Solution

The fourth proportional to 18,453.38, 25,465.68 and 10,069.88 is: 13,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.38 : 25,465.68 = 10,069.88 : x
  2. Step 2: Convert to fraction form
    18,453.38/25,465.68 = 10,069.88/x
  3. Step 3: Cross multiply
    18,453.38x = 25,465.68 × 10,069.88
  4. Step 4: Simplify right side
    18,453.38x = 256,436,214.39
  5. Step 5: Solve for x
    x = 256,436,214.39/18,453.38
  6. Step 6: Final answer
    x = 13,896.44

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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.