Home / 14,540.84-21,812.32-4,153.40

Finding the Fourth Proportional to 14,540.84, 21,812.32 and 4,153.40

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Solution

The fourth proportional to 14,540.84, 21,812.32 and 4,153.40 is: 6,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.84 : 21,812.32 = 4,153.40 : x
  2. Step 2: Convert to fraction form
    14,540.84/21,812.32 = 4,153.40/x
  3. Step 3: Cross multiply
    14,540.84x = 21,812.32 × 4,153.40
  4. Step 4: Simplify right side
    14,540.84x = 90,595,289.89
  5. Step 5: Solve for x
    x = 90,595,289.89/14,540.84
  6. Step 6: Final answer
    x = 6,230.40

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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.