Home / 19,755.18-29,628.31-5,712.07

Finding the Fourth Proportional to 19,755.18, 29,628.31 and 5,712.07

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Solution

The fourth proportional to 19,755.18, 29,628.31 and 5,712.07 is: 8,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.18 : 29,628.31 = 5,712.07 : x
  2. Step 2: Convert to fraction form
    19,755.18/29,628.31 = 5,712.07/x
  3. Step 3: Cross multiply
    19,755.18x = 29,628.31 × 5,712.07
  4. Step 4: Simplify right side
    19,755.18x = 169,238,980.70
  5. Step 5: Solve for x
    x = 169,238,980.70/19,755.18
  6. Step 6: Final answer
    x = 8,566.82

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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.