Home / 12,505.37-18,666.77-10,928.97

Finding the Fourth Proportional to 12,505.37, 18,666.77 and 10,928.97

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Solution

The fourth proportional to 12,505.37, 18,666.77 and 10,928.97 is: 16,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.37 : 18,666.77 = 10,928.97 : x
  2. Step 2: Convert to fraction form
    12,505.37/18,666.77 = 10,928.97/x
  3. Step 3: Cross multiply
    12,505.37x = 18,666.77 × 10,928.97
  4. Step 4: Simplify right side
    12,505.37x = 204,008,514.68
  5. Step 5: Solve for x
    x = 204,008,514.68/12,505.37
  6. Step 6: Final answer
    x = 16,313.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.