Home / 19,822.14-27,354.54-10,869.79

Finding the Fourth Proportional to 19,822.14, 27,354.54 and 10,869.79

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Solution

The fourth proportional to 19,822.14, 27,354.54 and 10,869.79 is: 15,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.14 : 27,354.54 = 10,869.79 : x
  2. Step 2: Convert to fraction form
    19,822.14/27,354.54 = 10,869.79/x
  3. Step 3: Cross multiply
    19,822.14x = 27,354.54 × 10,869.79
  4. Step 4: Simplify right side
    19,822.14x = 297,337,914.22
  5. Step 5: Solve for x
    x = 297,337,914.22/19,822.14
  6. Step 6: Final answer
    x = 15,000.29

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1.5x scale

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.