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Finding the Fourth Proportional to 19,798.60, 27,324.34 and 11,301.93

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Solution

The fourth proportional to 19,798.60, 27,324.34 and 11,301.93 is: 15,597.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.60 : 27,324.34 = 11,301.93 : x
  2. Step 2: Convert to fraction form
    19,798.60/27,324.34 = 11,301.93/x
  3. Step 3: Cross multiply
    19,798.60x = 27,324.34 × 11,301.93
  4. Step 4: Simplify right side
    19,798.60x = 308,817,749.72
  5. Step 5: Solve for x
    x = 308,817,749.72/19,798.60
  6. Step 6: Final answer
    x = 15,597.96

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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.