Home / 14,347.72-21,522.48-3,817.56

Finding the Fourth Proportional to 14,347.72, 21,522.48 and 3,817.56

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Solution

The fourth proportional to 14,347.72, 21,522.48 and 3,817.56 is: 5,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.72 : 21,522.48 = 3,817.56 : x
  2. Step 2: Convert to fraction form
    14,347.72/21,522.48 = 3,817.56/x
  3. Step 3: Cross multiply
    14,347.72x = 21,522.48 × 3,817.56
  4. Step 4: Simplify right side
    14,347.72x = 82,163,358.75
  5. Step 5: Solve for x
    x = 82,163,358.75/14,347.72
  6. Step 6: Final answer
    x = 5,726.58

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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.