Home / 17,751.12-26,639.64-6,668.70

Finding the Fourth Proportional to 17,751.12, 26,639.64 and 6,668.70

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Solution

The fourth proportional to 17,751.12, 26,639.64 and 6,668.70 is: 10,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.12 : 26,639.64 = 6,668.70 : x
  2. Step 2: Convert to fraction form
    17,751.12/26,639.64 = 6,668.70/x
  3. Step 3: Cross multiply
    17,751.12x = 26,639.64 × 6,668.70
  4. Step 4: Simplify right side
    17,751.12x = 177,651,767.27
  5. Step 5: Solve for x
    x = 177,651,767.27/17,751.12
  6. Step 6: Final answer
    x = 10,007.92

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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.