Home / 19,723.92-27,222.53-11,657.25

Finding the Fourth Proportional to 19,723.92, 27,222.53 and 11,657.25

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Solution

The fourth proportional to 19,723.92, 27,222.53 and 11,657.25 is: 16,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.92 : 27,222.53 = 11,657.25 : x
  2. Step 2: Convert to fraction form
    19,723.92/27,222.53 = 11,657.25/x
  3. Step 3: Cross multiply
    19,723.92x = 27,222.53 × 11,657.25
  4. Step 4: Simplify right side
    19,723.92x = 317,339,837.84
  5. Step 5: Solve for x
    x = 317,339,837.84/19,723.92
  6. Step 6: Final answer
    x = 16,089.09

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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.