Home / 19,170.69-26,456.76-11,617.68

Finding the Fourth Proportional to 19,170.69, 26,456.76 and 11,617.68

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Solution

The fourth proportional to 19,170.69, 26,456.76 and 11,617.68 is: 16,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.69 : 26,456.76 = 11,617.68 : x
  2. Step 2: Convert to fraction form
    19,170.69/26,456.76 = 11,617.68/x
  3. Step 3: Cross multiply
    19,170.69x = 26,456.76 × 11,617.68
  4. Step 4: Simplify right side
    19,170.69x = 307,366,171.52
  5. Step 5: Solve for x
    x = 307,366,171.52/19,170.69
  6. Step 6: Final answer
    x = 16,033.13

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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.