Home / 19,822.13-27,355.37-10,869.98

Finding the Fourth Proportional to 19,822.13, 27,355.37 and 10,869.98

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Solution

The fourth proportional to 19,822.13, 27,355.37 and 10,869.98 is: 15,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.13 : 27,355.37 = 10,869.98 : x
  2. Step 2: Convert to fraction form
    19,822.13/27,355.37 = 10,869.98/x
  3. Step 3: Cross multiply
    19,822.13x = 27,355.37 × 10,869.98
  4. Step 4: Simplify right side
    19,822.13x = 297,352,133.67
  5. Step 5: Solve for x
    x = 297,352,133.67/19,822.13
  6. Step 6: Final answer
    x = 15,001.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.