Home / 19,822.36-27,354.54-10,869.94

Finding the Fourth Proportional to 19,822.36, 27,354.54 and 10,869.94

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Solution

The fourth proportional to 19,822.36, 27,354.54 and 10,869.94 is: 15,000.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.36 : 27,354.54 = 10,869.94 : x
  2. Step 2: Convert to fraction form
    19,822.36/27,354.54 = 10,869.94/x
  3. Step 3: Cross multiply
    19,822.36x = 27,354.54 × 10,869.94
  4. Step 4: Simplify right side
    19,822.36x = 297,342,208.53
  5. Step 5: Solve for x
    x = 297,342,208.53/19,822.36
  6. Step 6: Final answer
    x = 15,000.34

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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.