Home / 14,511.06-19,997.18-9,787.14

Finding the Fourth Proportional to 14,511.06, 19,997.18 and 9,787.14

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Solution

The fourth proportional to 14,511.06, 19,997.18 and 9,787.14 is: 13,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.06 : 19,997.18 = 9,787.14 : x
  2. Step 2: Convert to fraction form
    14,511.06/19,997.18 = 9,787.14/x
  3. Step 3: Cross multiply
    14,511.06x = 19,997.18 × 9,787.14
  4. Step 4: Simplify right side
    14,511.06x = 195,715,200.27
  5. Step 5: Solve for x
    x = 195,715,200.27/14,511.06
  6. Step 6: Final answer
    x = 13,487.31

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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.