Home / 14,065.81-21,077.91-6,161.02

Finding the Fourth Proportional to 14,065.81, 21,077.91 and 6,161.02

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Solution

The fourth proportional to 14,065.81, 21,077.91 and 6,161.02 is: 9,232.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.81 : 21,077.91 = 6,161.02 : x
  2. Step 2: Convert to fraction form
    14,065.81/21,077.91 = 6,161.02/x
  3. Step 3: Cross multiply
    14,065.81x = 21,077.91 × 6,161.02
  4. Step 4: Simplify right side
    14,065.81x = 129,861,425.07
  5. Step 5: Solve for x
    x = 129,861,425.07/14,065.81
  6. Step 6: Final answer
    x = 9,232.42

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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.