Home / 19,957.12-29,935.68-11,068.25

Finding the Fourth Proportional to 19,957.12, 29,935.68 and 11,068.25

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Solution

The fourth proportional to 19,957.12, 29,935.68 and 11,068.25 is: 16,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.12 : 29,935.68 = 11,068.25 : x
  2. Step 2: Convert to fraction form
    19,957.12/29,935.68 = 11,068.25/x
  3. Step 3: Cross multiply
    19,957.12x = 29,935.68 × 11,068.25
  4. Step 4: Simplify right side
    19,957.12x = 331,335,398.98
  5. Step 5: Solve for x
    x = 331,335,398.98/19,957.12
  6. Step 6: Final answer
    x = 16,602.37

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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.