Home / 19,993.08-27,590.67-11,499.42

Finding the Fourth Proportional to 19,993.08, 27,590.67 and 11,499.42

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Solution

The fourth proportional to 19,993.08, 27,590.67 and 11,499.42 is: 15,869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,993.08 : 27,590.67 = 11,499.42 : x
  2. Step 2: Convert to fraction form
    19,993.08/27,590.67 = 11,499.42/x
  3. Step 3: Cross multiply
    19,993.08x = 27,590.67 × 11,499.42
  4. Step 4: Simplify right side
    19,993.08x = 317,276,702.41
  5. Step 5: Solve for x
    x = 317,276,702.41/19,993.08
  6. Step 6: Final answer
    x = 15,869.33

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Double scale
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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.