Home / 13,776.54-20,670.67-7,529.26

Finding the Fourth Proportional to 13,776.54, 20,670.67 and 7,529.26

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Solution

The fourth proportional to 13,776.54, 20,670.67 and 7,529.26 is: 11,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776.54 : 20,670.67 = 7,529.26 : x
  2. Step 2: Convert to fraction form
    13,776.54/20,670.67 = 7,529.26/x
  3. Step 3: Cross multiply
    13,776.54x = 20,670.67 × 7,529.26
  4. Step 4: Simplify right side
    13,776.54x = 155,634,738.53
  5. Step 5: Solve for x
    x = 155,634,738.53/13,776.54
  6. Step 6: Final answer
    x = 11,297.08

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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.