Home / 19,828.85-27,362.75-10,876.73

Finding the Fourth Proportional to 19,828.85, 27,362.75 and 10,876.73

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Solution

The fourth proportional to 19,828.85, 27,362.75 and 10,876.73 is: 15,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.85 : 27,362.75 = 10,876.73 : x
  2. Step 2: Convert to fraction form
    19,828.85/27,362.75 = 10,876.73/x
  3. Step 3: Cross multiply
    19,828.85x = 27,362.75 × 10,876.73
  4. Step 4: Simplify right side
    19,828.85x = 297,617,052.61
  5. Step 5: Solve for x
    x = 297,617,052.61/19,828.85
  6. Step 6: Final answer
    x = 15,009.30

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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.