Home / 14,579.70-21,880.20-5,817.12

Finding the Fourth Proportional to 14,579.70, 21,880.20 and 5,817.12

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Solution

The fourth proportional to 14,579.70, 21,880.20 and 5,817.12 is: 8,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.70 : 21,880.20 = 5,817.12 : x
  2. Step 2: Convert to fraction form
    14,579.70/21,880.20 = 5,817.12/x
  3. Step 3: Cross multiply
    14,579.70x = 21,880.20 × 5,817.12
  4. Step 4: Simplify right side
    14,579.70x = 127,279,749.02
  5. Step 5: Solve for x
    x = 127,279,749.02/14,579.70
  6. Step 6: Final answer
    x = 8,729.93

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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.