Home / 18,979.77-26,192.22-10,481.66

Finding the Fourth Proportional to 18,979.77, 26,192.22 and 10,481.66

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Solution

The fourth proportional to 18,979.77, 26,192.22 and 10,481.66 is: 14,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979.77 : 26,192.22 = 10,481.66 : x
  2. Step 2: Convert to fraction form
    18,979.77/26,192.22 = 10,481.66/x
  3. Step 3: Cross multiply
    18,979.77x = 26,192.22 × 10,481.66
  4. Step 4: Simplify right side
    18,979.77x = 274,537,944.69
  5. Step 5: Solve for x
    x = 274,537,944.69/18,979.77
  6. Step 6: Final answer
    x = 14,464.77

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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.