Home / 14,335.35-19,782.51-7,961.97

Finding the Fourth Proportional to 14,335.35, 19,782.51 and 7,961.97

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Solution

The fourth proportional to 14,335.35, 19,782.51 and 7,961.97 is: 10,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335.35 : 19,782.51 = 7,961.97 : x
  2. Step 2: Convert to fraction form
    14,335.35/19,782.51 = 7,961.97/x
  3. Step 3: Cross multiply
    14,335.35x = 19,782.51 × 7,961.97
  4. Step 4: Simplify right side
    14,335.35x = 157,507,751.14
  5. Step 5: Solve for x
    x = 157,507,751.14/14,335.35
  6. Step 6: Final answer
    x = 10,987.37

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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.