Home / 18,386.67-27,577.41-5,905.07

Finding the Fourth Proportional to 18,386.67, 27,577.41 and 5,905.07

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Solution

The fourth proportional to 18,386.67, 27,577.41 and 5,905.07 is: 8,856.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.67 : 27,577.41 = 5,905.07 : x
  2. Step 2: Convert to fraction form
    18,386.67/27,577.41 = 5,905.07/x
  3. Step 3: Cross multiply
    18,386.67x = 27,577.41 × 5,905.07
  4. Step 4: Simplify right side
    18,386.67x = 162,846,398.58
  5. Step 5: Solve for x
    x = 162,846,398.58/18,386.67
  6. Step 6: Final answer
    x = 8,856.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.