Home / 19,165.74-26,450.10-10,668.53

Finding the Fourth Proportional to 19,165.74, 26,450.10 and 10,668.53

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Solution

The fourth proportional to 19,165.74, 26,450.10 and 10,668.53 is: 14,723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.74 : 26,450.10 = 10,668.53 : x
  2. Step 2: Convert to fraction form
    19,165.74/26,450.10 = 10,668.53/x
  3. Step 3: Cross multiply
    19,165.74x = 26,450.10 × 10,668.53
  4. Step 4: Simplify right side
    19,165.74x = 282,183,553.10
  5. Step 5: Solve for x
    x = 282,183,553.10/19,165.74
  6. Step 6: Final answer
    x = 14,723.33

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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.