Home / 14,288.17-21,433.28-4,928.05

Finding the Fourth Proportional to 14,288.17, 21,433.28 and 4,928.05

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Solution

The fourth proportional to 14,288.17, 21,433.28 and 4,928.05 is: 7,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.17 : 21,433.28 = 4,928.05 : x
  2. Step 2: Convert to fraction form
    14,288.17/21,433.28 = 4,928.05/x
  3. Step 3: Cross multiply
    14,288.17x = 21,433.28 × 4,928.05
  4. Step 4: Simplify right side
    14,288.17x = 105,624,289.45
  5. Step 5: Solve for x
    x = 105,624,289.45/14,288.17
  6. Step 6: Final answer
    x = 7,392.43

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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.