Home / 14,073.73-21,087.23-9,905.02

Finding the Fourth Proportional to 14,073.73, 21,087.23 and 9,905.02

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Solution

The fourth proportional to 14,073.73, 21,087.23 and 9,905.02 is: 14,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.73 : 21,087.23 = 9,905.02 : x
  2. Step 2: Convert to fraction form
    14,073.73/21,087.23 = 9,905.02/x
  3. Step 3: Cross multiply
    14,073.73x = 21,087.23 × 9,905.02
  4. Step 4: Simplify right side
    14,073.73x = 208,869,434.89
  5. Step 5: Solve for x
    x = 208,869,434.89/14,073.73
  6. Step 6: Final answer
    x = 14,841.09

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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.