Home / 27,542.19-38,009.75-15,609.37

Finding the Fourth Proportional to 27,542.19, 38,009.75 and 15,609.37

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Solution

The fourth proportional to 27,542.19, 38,009.75 and 15,609.37 is: 21,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,542.19 : 38,009.75 = 15,609.37 : x
  2. Step 2: Convert to fraction form
    27,542.19/38,009.75 = 15,609.37/x
  3. Step 3: Cross multiply
    27,542.19x = 38,009.75 × 15,609.37
  4. Step 4: Simplify right side
    27,542.19x = 593,308,251.36
  5. Step 5: Solve for x
    x = 593,308,251.36/27,542.19
  6. Step 6: Final answer
    x = 21,541.80

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Half scale
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Double scale
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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.