Home / 13,272.82-19,913.32-7,433.56

Finding the Fourth Proportional to 13,272.82, 19,913.32 and 7,433.56

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Solution

The fourth proportional to 13,272.82, 19,913.32 and 7,433.56 is: 11,152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.82 : 19,913.32 = 7,433.56 : x
  2. Step 2: Convert to fraction form
    13,272.82/19,913.32 = 7,433.56/x
  3. Step 3: Cross multiply
    13,272.82x = 19,913.32 × 7,433.56
  4. Step 4: Simplify right side
    13,272.82x = 148,026,859.02
  5. Step 5: Solve for x
    x = 148,026,859.02/13,272.82
  6. Step 6: Final answer
    x = 11,152.63

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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.