Home / 14,649.10-21,977.62-4,787.08

Finding the Fourth Proportional to 14,649.10, 21,977.62 and 4,787.08

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Solution

The fourth proportional to 14,649.10, 21,977.62 and 4,787.08 is: 7,181.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.10 : 21,977.62 = 4,787.08 : x
  2. Step 2: Convert to fraction form
    14,649.10/21,977.62 = 4,787.08/x
  3. Step 3: Cross multiply
    14,649.10x = 21,977.62 × 4,787.08
  4. Step 4: Simplify right side
    14,649.10x = 105,208,625.15
  5. Step 5: Solve for x
    x = 105,208,625.15/14,649.10
  6. Step 6: Final answer
    x = 7,181.92

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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.