Home / 14,158.25-21,243.19-6,256.59

Finding the Fourth Proportional to 14,158.25, 21,243.19 and 6,256.59

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Solution

The fourth proportional to 14,158.25, 21,243.19 and 6,256.59 is: 9,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.25 : 21,243.19 = 6,256.59 : x
  2. Step 2: Convert to fraction form
    14,158.25/21,243.19 = 6,256.59/x
  3. Step 3: Cross multiply
    14,158.25x = 21,243.19 × 6,256.59
  4. Step 4: Simplify right side
    14,158.25x = 132,909,930.12
  5. Step 5: Solve for x
    x = 132,909,930.12/14,158.25
  6. Step 6: Final answer
    x = 9,387.45

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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.