Home / 14,053.12-21,086.64-5,739.04

Finding the Fourth Proportional to 14,053.12, 21,086.64 and 5,739.04

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Solution

The fourth proportional to 14,053.12, 21,086.64 and 5,739.04 is: 8,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.12 : 21,086.64 = 5,739.04 : x
  2. Step 2: Convert to fraction form
    14,053.12/21,086.64 = 5,739.04/x
  3. Step 3: Cross multiply
    14,053.12x = 21,086.64 × 5,739.04
  4. Step 4: Simplify right side
    14,053.12x = 121,017,070.43
  5. Step 5: Solve for x
    x = 121,017,070.43/14,053.12
  6. Step 6: Final answer
    x = 8,611.40

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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.