Home / 19,580.94-27,021.48-11,084.76

Finding the Fourth Proportional to 19,580.94, 27,021.48 and 11,084.76

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Solution

The fourth proportional to 19,580.94, 27,021.48 and 11,084.76 is: 15,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.94 : 27,021.48 = 11,084.76 : x
  2. Step 2: Convert to fraction form
    19,580.94/27,021.48 = 11,084.76/x
  3. Step 3: Cross multiply
    19,580.94x = 27,021.48 × 11,084.76
  4. Step 4: Simplify right side
    19,580.94x = 299,526,620.64
  5. Step 5: Solve for x
    x = 299,526,620.64/19,580.94
  6. Step 6: Final answer
    x = 15,296.85

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Half scale
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Double scale
Find fourth proportional to 19,581.94, 27,022.86 and 11,085.76
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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.