Home / 53,679.44-80,519.16-14,239.64

Finding the Fourth Proportional to 53,679.44, 80,519.16 and 14,239.64

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Solution

The fourth proportional to 53,679.44, 80,519.16 and 14,239.64 is: 21,359.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,679.44 : 80,519.16 = 14,239.64 : x
  2. Step 2: Convert to fraction form
    53,679.44/80,519.16 = 14,239.64/x
  3. Step 3: Cross multiply
    53,679.44x = 80,519.16 × 14,239.64
  4. Step 4: Simplify right side
    53,679.44x = 1,146,563,851.50
  5. Step 5: Solve for x
    x = 1,146,563,851.50/53,679.44
  6. Step 6: Final answer
    x = 21,359.46

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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.