Home / 14,954.69-20,613.41-10,107.90

Finding the Fourth Proportional to 14,954.69, 20,613.41 and 10,107.90

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Solution

The fourth proportional to 14,954.69, 20,613.41 and 10,107.90 is: 13,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.69 : 20,613.41 = 10,107.90 : x
  2. Step 2: Convert to fraction form
    14,954.69/20,613.41 = 10,107.90/x
  3. Step 3: Cross multiply
    14,954.69x = 20,613.41 × 10,107.90
  4. Step 4: Simplify right side
    14,954.69x = 208,358,286.94
  5. Step 5: Solve for x
    x = 208,358,286.94/14,954.69
  6. Step 6: Final answer
    x = 13,932.64

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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.