Home / 12,500.35-18,759.75-5,926.55

Finding the Fourth Proportional to 12,500.35, 18,759.75 and 5,926.55

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Solution

The fourth proportional to 12,500.35, 18,759.75 and 5,926.55 is: 8,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.35 : 18,759.75 = 5,926.55 : x
  2. Step 2: Convert to fraction form
    12,500.35/18,759.75 = 5,926.55/x
  3. Step 3: Cross multiply
    12,500.35x = 18,759.75 × 5,926.55
  4. Step 4: Simplify right side
    12,500.35x = 111,180,643.26
  5. Step 5: Solve for x
    x = 111,180,643.26/12,500.35
  6. Step 6: Final answer
    x = 8,894.20

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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.