Home / 18,837.37-25,995.39-10,453.87

Finding the Fourth Proportional to 18,837.37, 25,995.39 and 10,453.87

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Solution

The fourth proportional to 18,837.37, 25,995.39 and 10,453.87 is: 14,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.37 : 25,995.39 = 10,453.87 : x
  2. Step 2: Convert to fraction form
    18,837.37/25,995.39 = 10,453.87/x
  3. Step 3: Cross multiply
    18,837.37x = 25,995.39 × 10,453.87
  4. Step 4: Simplify right side
    18,837.37x = 271,752,427.66
  5. Step 5: Solve for x
    x = 271,752,427.66/18,837.37
  6. Step 6: Final answer
    x = 14,426.24

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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.