Home / 14,472.72-21,709.10-4,612

Finding the Fourth Proportional to 14,472.72, 21,709.10 and 4,612

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Solution

The fourth proportional to 14,472.72, 21,709.10 and 4,612 is: 6,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.72 : 21,709.10 = 4,612 : x
  2. Step 2: Convert to fraction form
    14,472.72/21,709.10 = 4,612/x
  3. Step 3: Cross multiply
    14,472.72x = 21,709.10 × 4,612
  4. Step 4: Simplify right side
    14,472.72x = 100,122,369.20
  5. Step 5: Solve for x
    x = 100,122,369.20/14,472.72
  6. Step 6: Final answer
    x = 6,918.01

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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.