Home / 19,608.75-29,396.59-8,507.09

Finding the Fourth Proportional to 19,608.75, 29,396.59 and 8,507.09

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Solution

The fourth proportional to 19,608.75, 29,396.59 and 8,507.09 is: 12,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.75 : 29,396.59 = 8,507.09 : x
  2. Step 2: Convert to fraction form
    19,608.75/29,396.59 = 8,507.09/x
  3. Step 3: Cross multiply
    19,608.75x = 29,396.59 × 8,507.09
  4. Step 4: Simplify right side
    19,608.75x = 250,079,268.57
  5. Step 5: Solve for x
    x = 250,079,268.57/19,608.75
  6. Step 6: Final answer
    x = 12,753.45

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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.