Home / 14,658.62-21,987.72-3,565.28

Finding the Fourth Proportional to 14,658.62, 21,987.72 and 3,565.28

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Solution

The fourth proportional to 14,658.62, 21,987.72 and 3,565.28 is: 5,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.62 : 21,987.72 = 3,565.28 : x
  2. Step 2: Convert to fraction form
    14,658.62/21,987.72 = 3,565.28/x
  3. Step 3: Cross multiply
    14,658.62x = 21,987.72 × 3,565.28
  4. Step 4: Simplify right side
    14,658.62x = 78,392,378.36
  5. Step 5: Solve for x
    x = 78,392,378.36/14,658.62
  6. Step 6: Final answer
    x = 5,347.87

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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.