Home / 19,874.06-29,812-14,056.64

Finding the Fourth Proportional to 19,874.06, 29,812 and 14,056.64

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Solution

The fourth proportional to 19,874.06, 29,812 and 14,056.64 is: 21,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.06 : 29,812 = 14,056.64 : x
  2. Step 2: Convert to fraction form
    19,874.06/29,812 = 14,056.64/x
  3. Step 3: Cross multiply
    19,874.06x = 29,812 × 14,056.64
  4. Step 4: Simplify right side
    19,874.06x = 419,056,551.68
  5. Step 5: Solve for x
    x = 419,056,551.68/19,874.06
  6. Step 6: Final answer
    x = 21,085.60

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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.