Home / 54,665.96-81,999.66-15,222.12

Finding the Fourth Proportional to 54,665.96, 81,999.66 and 15,222.12

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Solution

The fourth proportional to 54,665.96, 81,999.66 and 15,222.12 is: 22,833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,665.96 : 81,999.66 = 15,222.12 : x
  2. Step 2: Convert to fraction form
    54,665.96/81,999.66 = 15,222.12/x
  3. Step 3: Cross multiply
    54,665.96x = 81,999.66 × 15,222.12
  4. Step 4: Simplify right side
    54,665.96x = 1,248,208,664.48
  5. Step 5: Solve for x
    x = 1,248,208,664.48/54,665.96
  6. Step 6: Final answer
    x = 22,833.38

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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.