Home / 19,663.44-27,134.64-11,706.54

Finding the Fourth Proportional to 19,663.44, 27,134.64 and 11,706.54

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Solution

The fourth proportional to 19,663.44, 27,134.64 and 11,706.54 is: 16,154.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.44 : 27,134.64 = 11,706.54 : x
  2. Step 2: Convert to fraction form
    19,663.44/27,134.64 = 11,706.54/x
  3. Step 3: Cross multiply
    19,663.44x = 27,134.64 × 11,706.54
  4. Step 4: Simplify right side
    19,663.44x = 317,652,748.55
  5. Step 5: Solve for x
    x = 317,652,748.55/19,663.44
  6. Step 6: Final answer
    x = 16,154.49

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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.