Home / 14,647.22-21,970.90-3,553.92

Finding the Fourth Proportional to 14,647.22, 21,970.90 and 3,553.92

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Solution

The fourth proportional to 14,647.22, 21,970.90 and 3,553.92 is: 5,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.22 : 21,970.90 = 3,553.92 : x
  2. Step 2: Convert to fraction form
    14,647.22/21,970.90 = 3,553.92/x
  3. Step 3: Cross multiply
    14,647.22x = 21,970.90 × 3,553.92
  4. Step 4: Simplify right side
    14,647.22x = 78,082,820.93
  5. Step 5: Solve for x
    x = 78,082,820.93/14,647.22
  6. Step 6: Final answer
    x = 5,330.90

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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.