Home / 14,668.21-21,949.75-12,700.63

Finding the Fourth Proportional to 14,668.21, 21,949.75 and 12,700.63

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Solution

The fourth proportional to 14,668.21, 21,949.75 and 12,700.63 is: 19,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668.21 : 21,949.75 = 12,700.63 : x
  2. Step 2: Convert to fraction form
    14,668.21/21,949.75 = 12,700.63/x
  3. Step 3: Cross multiply
    14,668.21x = 21,949.75 × 12,700.63
  4. Step 4: Simplify right side
    14,668.21x = 278,775,696.66
  5. Step 5: Solve for x
    x = 278,775,696.66/14,668.21
  6. Step 6: Final answer
    x = 19,005.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.