Home / 17,790.69-26,630.67-11,203.04

Finding the Fourth Proportional to 17,790.69, 26,630.67 and 11,203.04

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Solution

The fourth proportional to 17,790.69, 26,630.67 and 11,203.04 is: 16,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.69 : 26,630.67 = 11,203.04 : x
  2. Step 2: Convert to fraction form
    17,790.69/26,630.67 = 11,203.04/x
  3. Step 3: Cross multiply
    17,790.69x = 26,630.67 × 11,203.04
  4. Step 4: Simplify right side
    17,790.69x = 298,344,569.82
  5. Step 5: Solve for x
    x = 298,344,569.82/17,790.69
  6. Step 6: Final answer
    x = 16,769.70

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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.