Home / 19,539.36-29,310.42-7,852.59

Finding the Fourth Proportional to 19,539.36, 29,310.42 and 7,852.59

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Solution

The fourth proportional to 19,539.36, 29,310.42 and 7,852.59 is: 11,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.36 : 29,310.42 = 7,852.59 : x
  2. Step 2: Convert to fraction form
    19,539.36/29,310.42 = 7,852.59/x
  3. Step 3: Cross multiply
    19,539.36x = 29,310.42 × 7,852.59
  4. Step 4: Simplify right side
    19,539.36x = 230,162,710.99
  5. Step 5: Solve for x
    x = 230,162,710.99/19,539.36
  6. Step 6: Final answer
    x = 11,779.44

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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.