Home / 27,906.59-38,511.52-15,160.03

Finding the Fourth Proportional to 27,906.59, 38,511.52 and 15,160.03

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Solution

The fourth proportional to 27,906.59, 38,511.52 and 15,160.03 is: 20,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906.59 : 38,511.52 = 15,160.03 : x
  2. Step 2: Convert to fraction form
    27,906.59/38,511.52 = 15,160.03/x
  3. Step 3: Cross multiply
    27,906.59x = 38,511.52 × 15,160.03
  4. Step 4: Simplify right side
    27,906.59x = 583,835,664.37
  5. Step 5: Solve for x
    x = 583,835,664.37/27,906.59
  6. Step 6: Final answer
    x = 20,921.07

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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.