Home / 19,110.89-26,375.73-11,153.45

Finding the Fourth Proportional to 19,110.89, 26,375.73 and 11,153.45

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Solution

The fourth proportional to 19,110.89, 26,375.73 and 11,153.45 is: 15,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.89 : 26,375.73 = 11,153.45 : x
  2. Step 2: Convert to fraction form
    19,110.89/26,375.73 = 11,153.45/x
  3. Step 3: Cross multiply
    19,110.89x = 26,375.73 × 11,153.45
  4. Step 4: Simplify right side
    19,110.89x = 294,180,385.77
  5. Step 5: Solve for x
    x = 294,180,385.77/19,110.89
  6. Step 6: Final answer
    x = 15,393.34

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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.