Home / 19,171.06-26,456.04-11,211.70

Finding the Fourth Proportional to 19,171.06, 26,456.04 and 11,211.70

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Solution

The fourth proportional to 19,171.06, 26,456.04 and 11,211.70 is: 15,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.06 : 26,456.04 = 11,211.70 : x
  2. Step 2: Convert to fraction form
    19,171.06/26,456.04 = 11,211.70/x
  3. Step 3: Cross multiply
    19,171.06x = 26,456.04 × 11,211.70
  4. Step 4: Simplify right side
    19,171.06x = 296,617,183.67
  5. Step 5: Solve for x
    x = 296,617,183.67/19,171.06
  6. Step 6: Final answer
    x = 15,472.13

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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.