Home / 54,015.60-81,019.56-14,574.96

Finding the Fourth Proportional to 54,015.60, 81,019.56 and 14,574.96

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Solution

The fourth proportional to 54,015.60, 81,019.56 and 14,574.96 is: 21,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,015.60 : 81,019.56 = 14,574.96 : x
  2. Step 2: Convert to fraction form
    54,015.60/81,019.56 = 14,574.96/x
  3. Step 3: Cross multiply
    54,015.60x = 81,019.56 × 14,574.96
  4. Step 4: Simplify right side
    54,015.60x = 1,180,856,846.22
  5. Step 5: Solve for x
    x = 1,180,856,846.22/54,015.60
  6. Step 6: Final answer
    x = 21,861.40

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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.