Home / 45,008.16-67,519.56-13,843.44

Finding the Fourth Proportional to 45,008.16, 67,519.56 and 13,843.44

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Solution

The fourth proportional to 45,008.16, 67,519.56 and 13,843.44 is: 20,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,008.16 : 67,519.56 = 13,843.44 : x
  2. Step 2: Convert to fraction form
    45,008.16/67,519.56 = 13,843.44/x
  3. Step 3: Cross multiply
    45,008.16x = 67,519.56 × 13,843.44
  4. Step 4: Simplify right side
    45,008.16x = 934,702,977.69
  5. Step 5: Solve for x
    x = 934,702,977.69/45,008.16
  6. Step 6: Final answer
    x = 20,767.41

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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.