Home / 18,731.73-25,849.04-10,666.49

Finding the Fourth Proportional to 18,731.73, 25,849.04 and 10,666.49

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Solution

The fourth proportional to 18,731.73, 25,849.04 and 10,666.49 is: 14,719.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731.73 : 25,849.04 = 10,666.49 : x
  2. Step 2: Convert to fraction form
    18,731.73/25,849.04 = 10,666.49/x
  3. Step 3: Cross multiply
    18,731.73x = 25,849.04 × 10,666.49
  4. Step 4: Simplify right side
    18,731.73x = 275,718,344.09
  5. Step 5: Solve for x
    x = 275,718,344.09/18,731.73
  6. Step 6: Final answer
    x = 14,719.32

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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.