Home / 54,809.08-82,213.66-13,256.12

Finding the Fourth Proportional to 54,809.08, 82,213.66 and 13,256.12

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Solution

The fourth proportional to 54,809.08, 82,213.66 and 13,256.12 is: 19,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,809.08 : 82,213.66 = 13,256.12 : x
  2. Step 2: Convert to fraction form
    54,809.08/82,213.66 = 13,256.12/x
  3. Step 3: Cross multiply
    54,809.08x = 82,213.66 × 13,256.12
  4. Step 4: Simplify right side
    54,809.08x = 1,089,834,142.60
  5. Step 5: Solve for x
    x = 1,089,834,142.60/54,809.08
  6. Step 6: Final answer
    x = 19,884.19

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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.