Home / 14,455.05-19,944.39-9,078.37

Finding the Fourth Proportional to 14,455.05, 19,944.39 and 9,078.37

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Solution

The fourth proportional to 14,455.05, 19,944.39 and 9,078.37 is: 12,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.05 : 19,944.39 = 9,078.37 : x
  2. Step 2: Convert to fraction form
    14,455.05/19,944.39 = 9,078.37/x
  3. Step 3: Cross multiply
    14,455.05x = 19,944.39 × 9,078.37
  4. Step 4: Simplify right side
    14,455.05x = 181,062,551.84
  5. Step 5: Solve for x
    x = 181,062,551.84/14,455.05
  6. Step 6: Final answer
    x = 12,525.90

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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.