Home / 14,146.53-21,219.26-4,787.25

Finding the Fourth Proportional to 14,146.53, 21,219.26 and 4,787.25

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Solution

The fourth proportional to 14,146.53, 21,219.26 and 4,787.25 is: 7,180.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.53 : 21,219.26 = 4,787.25 : x
  2. Step 2: Convert to fraction form
    14,146.53/21,219.26 = 4,787.25/x
  3. Step 3: Cross multiply
    14,146.53x = 21,219.26 × 4,787.25
  4. Step 4: Simplify right side
    14,146.53x = 101,581,878.50
  5. Step 5: Solve for x
    x = 101,581,878.50/14,146.53
  6. Step 6: Final answer
    x = 7,180.69

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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.