Home / 14,160.66-21,239.62-4,300.02

Finding the Fourth Proportional to 14,160.66, 21,239.62 and 4,300.02

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Solution

The fourth proportional to 14,160.66, 21,239.62 and 4,300.02 is: 6,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.66 : 21,239.62 = 4,300.02 : x
  2. Step 2: Convert to fraction form
    14,160.66/21,239.62 = 4,300.02/x
  3. Step 3: Cross multiply
    14,160.66x = 21,239.62 × 4,300.02
  4. Step 4: Simplify right side
    14,160.66x = 91,330,769.29
  5. Step 5: Solve for x
    x = 91,330,769.29/14,160.66
  6. Step 6: Final answer
    x = 6,449.61

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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.