Home / 14,335.23-19,782.36-7,961.85

Finding the Fourth Proportional to 14,335.23, 19,782.36 and 7,961.85

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Solution

The fourth proportional to 14,335.23, 19,782.36 and 7,961.85 is: 10,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335.23 : 19,782.36 = 7,961.85 : x
  2. Step 2: Convert to fraction form
    14,335.23/19,782.36 = 7,961.85/x
  3. Step 3: Cross multiply
    14,335.23x = 19,782.36 × 7,961.85
  4. Step 4: Simplify right side
    14,335.23x = 157,504,182.97
  5. Step 5: Solve for x
    x = 157,504,182.97/14,335.23
  6. Step 6: Final answer
    x = 10,987.21

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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.