Home / 18,668.31-25,762.83-10,170.99

Finding the Fourth Proportional to 18,668.31, 25,762.83 and 10,170.99

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Solution

The fourth proportional to 18,668.31, 25,762.83 and 10,170.99 is: 14,036.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.31 : 25,762.83 = 10,170.99 : x
  2. Step 2: Convert to fraction form
    18,668.31/25,762.83 = 10,170.99/x
  3. Step 3: Cross multiply
    18,668.31x = 25,762.83 × 10,170.99
  4. Step 4: Simplify right side
    18,668.31x = 262,033,486.30
  5. Step 5: Solve for x
    x = 262,033,486.30/18,668.31
  6. Step 6: Final answer
    x = 14,036.27

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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.