Home / 14,404.40-21,582.30-6,992.90

Finding the Fourth Proportional to 14,404.40, 21,582.30 and 6,992.90

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Solution

The fourth proportional to 14,404.40, 21,582.30 and 6,992.90 is: 10,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404.40 : 21,582.30 = 6,992.90 : x
  2. Step 2: Convert to fraction form
    14,404.40/21,582.30 = 6,992.90/x
  3. Step 3: Cross multiply
    14,404.40x = 21,582.30 × 6,992.90
  4. Step 4: Simplify right side
    14,404.40x = 150,922,865.67
  5. Step 5: Solve for x
    x = 150,922,865.67/14,404.40
  6. Step 6: Final answer
    x = 10,477.55

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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.