Home / 14,577.72-20,118.96-8,291.04

Finding the Fourth Proportional to 14,577.72, 20,118.96 and 8,291.04

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Solution

The fourth proportional to 14,577.72, 20,118.96 and 8,291.04 is: 11,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.72 : 20,118.96 = 8,291.04 : x
  2. Step 2: Convert to fraction form
    14,577.72/20,118.96 = 8,291.04/x
  3. Step 3: Cross multiply
    14,577.72x = 20,118.96 × 8,291.04
  4. Step 4: Simplify right side
    14,577.72x = 166,807,102.12
  5. Step 5: Solve for x
    x = 166,807,102.12/14,577.72
  6. Step 6: Final answer
    x = 11,442.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.