Home / 19,759.62-27,269.03-11,263.09

Finding the Fourth Proportional to 19,759.62, 27,269.03 and 11,263.09

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Solution

The fourth proportional to 19,759.62, 27,269.03 and 11,263.09 is: 15,543.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.62 : 27,269.03 = 11,263.09 : x
  2. Step 2: Convert to fraction form
    19,759.62/27,269.03 = 11,263.09/x
  3. Step 3: Cross multiply
    19,759.62x = 27,269.03 × 11,263.09
  4. Step 4: Simplify right side
    19,759.62x = 307,133,539.10
  5. Step 5: Solve for x
    x = 307,133,539.10/19,759.62
  6. Step 6: Final answer
    x = 15,543.49

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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.