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Finding the Fourth Proportional to 19,663.98, 29,501.76 and 11,349.96

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Solution

The fourth proportional to 19,663.98, 29,501.76 and 11,349.96 is: 17,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.98 : 29,501.76 = 11,349.96 : x
  2. Step 2: Convert to fraction form
    19,663.98/29,501.76 = 11,349.96/x
  3. Step 3: Cross multiply
    19,663.98x = 29,501.76 × 11,349.96
  4. Step 4: Simplify right side
    19,663.98x = 334,843,795.93
  5. Step 5: Solve for x
    x = 334,843,795.93/19,663.98
  6. Step 6: Final answer
    x = 17,028.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.