Home / 19,539.35-29,310.38-7,852.58

Finding the Fourth Proportional to 19,539.35, 29,310.38 and 7,852.58

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Solution

The fourth proportional to 19,539.35, 29,310.38 and 7,852.58 is: 11,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.35 : 29,310.38 = 7,852.58 : x
  2. Step 2: Convert to fraction form
    19,539.35/29,310.38 = 7,852.58/x
  3. Step 3: Cross multiply
    19,539.35x = 29,310.38 × 7,852.58
  4. Step 4: Simplify right side
    19,539.35x = 230,161,917.97
  5. Step 5: Solve for x
    x = 230,161,917.97/19,539.35
  6. Step 6: Final answer
    x = 11,779.41

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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.