Home / 14,120.36-19,484.82-7,832.72

Finding the Fourth Proportional to 14,120.36, 19,484.82 and 7,832.72

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Solution

The fourth proportional to 14,120.36, 19,484.82 and 7,832.72 is: 10,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.36 : 19,484.82 = 7,832.72 : x
  2. Step 2: Convert to fraction form
    14,120.36/19,484.82 = 7,832.72/x
  3. Step 3: Cross multiply
    14,120.36x = 19,484.82 × 7,832.72
  4. Step 4: Simplify right side
    14,120.36x = 152,619,139.31
  5. Step 5: Solve for x
    x = 152,619,139.31/14,120.36
  6. Step 6: Final answer
    x = 10,808.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.