Home / 19,558.32-26,991-11,061.96

Finding the Fourth Proportional to 19,558.32, 26,991 and 11,061.96

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Solution

The fourth proportional to 19,558.32, 26,991 and 11,061.96 is: 15,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.32 : 26,991 = 11,061.96 : x
  2. Step 2: Convert to fraction form
    19,558.32/26,991 = 11,061.96/x
  3. Step 3: Cross multiply
    19,558.32x = 26,991 × 11,061.96
  4. Step 4: Simplify right side
    19,558.32x = 298,573,362.36
  5. Step 5: Solve for x
    x = 298,573,362.36/19,558.32
  6. Step 6: Final answer
    x = 15,265.80

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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.