Home / 14,115.84-19,475.40-8,146.72

Finding the Fourth Proportional to 14,115.84, 19,475.40 and 8,146.72

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Solution

The fourth proportional to 14,115.84, 19,475.40 and 8,146.72 is: 11,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.84 : 19,475.40 = 8,146.72 : x
  2. Step 2: Convert to fraction form
    14,115.84/19,475.40 = 8,146.72/x
  3. Step 3: Cross multiply
    14,115.84x = 19,475.40 × 8,146.72
  4. Step 4: Simplify right side
    14,115.84x = 158,660,630.69
  5. Step 5: Solve for x
    x = 158,660,630.69/14,115.84
  6. Step 6: Final answer
    x = 11,239.90

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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.