Home / 18,450.29-25,461.70-10,066.79

Finding the Fourth Proportional to 18,450.29, 25,461.70 and 10,066.79

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Solution

The fourth proportional to 18,450.29, 25,461.70 and 10,066.79 is: 13,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.29 : 25,461.70 = 10,066.79 : x
  2. Step 2: Convert to fraction form
    18,450.29/25,461.70 = 10,066.79/x
  3. Step 3: Cross multiply
    18,450.29x = 25,461.70 × 10,066.79
  4. Step 4: Simplify right side
    18,450.29x = 256,317,625.43
  5. Step 5: Solve for x
    x = 256,317,625.43/18,450.29
  6. Step 6: Final answer
    x = 13,892.33

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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.