Home / 18,427.14-25,429.49-10,471.94

Finding the Fourth Proportional to 18,427.14, 25,429.49 and 10,471.94

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Solution

The fourth proportional to 18,427.14, 25,429.49 and 10,471.94 is: 14,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.14 : 25,429.49 = 10,471.94 : x
  2. Step 2: Convert to fraction form
    18,427.14/25,429.49 = 10,471.94/x
  3. Step 3: Cross multiply
    18,427.14x = 25,429.49 × 10,471.94
  4. Step 4: Simplify right side
    18,427.14x = 266,295,914.00
  5. Step 5: Solve for x
    x = 266,295,914.00/18,427.14
  6. Step 6: Final answer
    x = 14,451.29

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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.