Home / 14,327.88-19,772.74-8,040.12

Finding the Fourth Proportional to 14,327.88, 19,772.74 and 8,040.12

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Solution

The fourth proportional to 14,327.88, 19,772.74 and 8,040.12 is: 11,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,327.88 : 19,772.74 = 8,040.12 : x
  2. Step 2: Convert to fraction form
    14,327.88/19,772.74 = 8,040.12/x
  3. Step 3: Cross multiply
    14,327.88x = 19,772.74 × 8,040.12
  4. Step 4: Simplify right side
    14,327.88x = 158,975,202.33
  5. Step 5: Solve for x
    x = 158,975,202.33/14,327.88
  6. Step 6: Final answer
    x = 11,095.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.