Home / 14,120.56-19,485.60-7,832.56

Finding the Fourth Proportional to 14,120.56, 19,485.60 and 7,832.56

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Solution

The fourth proportional to 14,120.56, 19,485.60 and 7,832.56 is: 10,808.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.56 : 19,485.60 = 7,832.56 : x
  2. Step 2: Convert to fraction form
    14,120.56/19,485.60 = 7,832.56/x
  3. Step 3: Cross multiply
    14,120.56x = 19,485.60 × 7,832.56
  4. Step 4: Simplify right side
    14,120.56x = 152,622,131.14
  5. Step 5: Solve for x
    x = 152,622,131.14/14,120.56
  6. Step 6: Final answer
    x = 10,808.50

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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.