Home / 14,644.20-21,911.42-8,699.32

Finding the Fourth Proportional to 14,644.20, 21,911.42 and 8,699.32

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Solution

The fourth proportional to 14,644.20, 21,911.42 and 8,699.32 is: 13,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.20 : 21,911.42 = 8,699.32 : x
  2. Step 2: Convert to fraction form
    14,644.20/21,911.42 = 8,699.32/x
  3. Step 3: Cross multiply
    14,644.20x = 21,911.42 × 8,699.32
  4. Step 4: Simplify right side
    14,644.20x = 190,614,454.23
  5. Step 5: Solve for x
    x = 190,614,454.23/14,644.20
  6. Step 6: Final answer
    x = 13,016.38

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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.