Home / 17,765.45-26,638.38-7,232.77

Finding the Fourth Proportional to 17,765.45, 26,638.38 and 7,232.77

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Solution

The fourth proportional to 17,765.45, 26,638.38 and 7,232.77 is: 10,845.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.45 : 26,638.38 = 7,232.77 : x
  2. Step 2: Convert to fraction form
    17,765.45/26,638.38 = 7,232.77/x
  3. Step 3: Cross multiply
    17,765.45x = 26,638.38 × 7,232.77
  4. Step 4: Simplify right side
    17,765.45x = 192,669,309.01
  5. Step 5: Solve for x
    x = 192,669,309.01/17,765.45
  6. Step 6: Final answer
    x = 10,845.17

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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.