Home / 19,590.62-27,039.76-11,211.98

Finding the Fourth Proportional to 19,590.62, 27,039.76 and 11,211.98

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Solution

The fourth proportional to 19,590.62, 27,039.76 and 11,211.98 is: 15,475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.62 : 27,039.76 = 11,211.98 : x
  2. Step 2: Convert to fraction form
    19,590.62/27,039.76 = 11,211.98/x
  3. Step 3: Cross multiply
    19,590.62x = 27,039.76 × 11,211.98
  4. Step 4: Simplify right side
    19,590.62x = 303,169,248.32
  5. Step 5: Solve for x
    x = 303,169,248.32/19,590.62
  6. Step 6: Final answer
    x = 15,475.22

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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.