Home / 54,215.64-81,327.69-14,774.31

Finding the Fourth Proportional to 54,215.64, 81,327.69 and 14,774.31

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Solution

The fourth proportional to 54,215.64, 81,327.69 and 14,774.31 is: 22,162.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,215.64 : 81,327.69 = 14,774.31 : x
  2. Step 2: Convert to fraction form
    54,215.64/81,327.69 = 14,774.31/x
  3. Step 3: Cross multiply
    54,215.64x = 81,327.69 × 14,774.31
  4. Step 4: Simplify right side
    54,215.64x = 1,201,560,503.64
  5. Step 5: Solve for x
    x = 1,201,560,503.64/54,215.64
  6. Step 6: Final answer
    x = 22,162.62

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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.