Home / 19,572.38-27,009.09-10,619.54

Finding the Fourth Proportional to 19,572.38, 27,009.09 and 10,619.54

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Solution

The fourth proportional to 19,572.38, 27,009.09 and 10,619.54 is: 14,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.38 : 27,009.09 = 10,619.54 : x
  2. Step 2: Convert to fraction form
    19,572.38/27,009.09 = 10,619.54/x
  3. Step 3: Cross multiply
    19,572.38x = 27,009.09 × 10,619.54
  4. Step 4: Simplify right side
    19,572.38x = 286,823,976.57
  5. Step 5: Solve for x
    x = 286,823,976.57/19,572.38
  6. Step 6: Final answer
    x = 14,654.53

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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.