Home / 14,111.40-21,150.90-5,787.30

Finding the Fourth Proportional to 14,111.40, 21,150.90 and 5,787.30

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Solution

The fourth proportional to 14,111.40, 21,150.90 and 5,787.30 is: 8,674.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111.40 : 21,150.90 = 5,787.30 : x
  2. Step 2: Convert to fraction form
    14,111.40/21,150.90 = 5,787.30/x
  3. Step 3: Cross multiply
    14,111.40x = 21,150.90 × 5,787.30
  4. Step 4: Simplify right side
    14,111.40x = 122,406,603.57
  5. Step 5: Solve for x
    x = 122,406,603.57/14,111.40
  6. Step 6: Final answer
    x = 8,674.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.