Home / 14,116.84-21,156.79-5,787.10

Finding the Fourth Proportional to 14,116.84, 21,156.79 and 5,787.10

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Solution

The fourth proportional to 14,116.84, 21,156.79 and 5,787.10 is: 8,673.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.84 : 21,156.79 = 5,787.10 : x
  2. Step 2: Convert to fraction form
    14,116.84/21,156.79 = 5,787.10/x
  3. Step 3: Cross multiply
    14,116.84x = 21,156.79 × 5,787.10
  4. Step 4: Simplify right side
    14,116.84x = 122,436,459.41
  5. Step 5: Solve for x
    x = 122,436,459.41/14,116.84
  6. Step 6: Final answer
    x = 8,673.08

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1.5x scale

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.