Home / 54,143.64-81,215.34-14,706.54

Finding the Fourth Proportional to 54,143.64, 81,215.34 and 14,706.54

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Solution

The fourth proportional to 54,143.64, 81,215.34 and 14,706.54 is: 22,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,143.64 : 81,215.34 = 14,706.54 : x
  2. Step 2: Convert to fraction form
    54,143.64/81,215.34 = 14,706.54/x
  3. Step 3: Cross multiply
    54,143.64x = 81,215.34 × 14,706.54
  4. Step 4: Simplify right side
    54,143.64x = 1,194,396,646.32
  5. Step 5: Solve for x
    x = 1,194,396,646.32/54,143.64
  6. Step 6: Final answer
    x = 22,059.78

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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.