Home / 14,631.99-21,951.47-4,771.28

Finding the Fourth Proportional to 14,631.99, 21,951.47 and 4,771.28

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Solution

The fourth proportional to 14,631.99, 21,951.47 and 4,771.28 is: 7,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.99 : 21,951.47 = 4,771.28 : x
  2. Step 2: Convert to fraction form
    14,631.99/21,951.47 = 4,771.28/x
  3. Step 3: Cross multiply
    14,631.99x = 21,951.47 × 4,771.28
  4. Step 4: Simplify right side
    14,631.99x = 104,736,500.02
  5. Step 5: Solve for x
    x = 104,736,500.02/14,631.99
  6. Step 6: Final answer
    x = 7,158.05

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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.