Home / 14,168.84-21,253.98-4,809.92

Finding the Fourth Proportional to 14,168.84, 21,253.98 and 4,809.92

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Solution

The fourth proportional to 14,168.84, 21,253.98 and 4,809.92 is: 7,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.84 : 21,253.98 = 4,809.92 : x
  2. Step 2: Convert to fraction form
    14,168.84/21,253.98 = 4,809.92/x
  3. Step 3: Cross multiply
    14,168.84x = 21,253.98 × 4,809.92
  4. Step 4: Simplify right side
    14,168.84x = 102,229,943.48
  5. Step 5: Solve for x
    x = 102,229,943.48/14,168.84
  6. Step 6: Final answer
    x = 7,215.12

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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.