Home / 14,319.88-19,761.45-8,032.25

Finding the Fourth Proportional to 14,319.88, 19,761.45 and 8,032.25

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Solution

The fourth proportional to 14,319.88, 19,761.45 and 8,032.25 is: 11,084.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.88 : 19,761.45 = 8,032.25 : x
  2. Step 2: Convert to fraction form
    14,319.88/19,761.45 = 8,032.25/x
  3. Step 3: Cross multiply
    14,319.88x = 19,761.45 × 8,032.25
  4. Step 4: Simplify right side
    14,319.88x = 158,728,906.76
  5. Step 5: Solve for x
    x = 158,728,906.76/14,319.88
  6. Step 6: Final answer
    x = 11,084.51

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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.