Home / 13,179.18-19,774.02-5,787.92

Finding the Fourth Proportional to 13,179.18, 19,774.02 and 5,787.92

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Solution

The fourth proportional to 13,179.18, 19,774.02 and 5,787.92 is: 8,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.18 : 19,774.02 = 5,787.92 : x
  2. Step 2: Convert to fraction form
    13,179.18/19,774.02 = 5,787.92/x
  3. Step 3: Cross multiply
    13,179.18x = 19,774.02 × 5,787.92
  4. Step 4: Simplify right side
    13,179.18x = 114,450,445.84
  5. Step 5: Solve for x
    x = 114,450,445.84/13,179.18
  6. Step 6: Final answer
    x = 8,684.19

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Why These Related Problems?

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