Home / 13,227.50-19,846.25-6,987.26

Finding the Fourth Proportional to 13,227.50, 19,846.25 and 6,987.26

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Solution

The fourth proportional to 13,227.50, 19,846.25 and 6,987.26 is: 10,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.50 : 19,846.25 = 6,987.26 : x
  2. Step 2: Convert to fraction form
    13,227.50/19,846.25 = 6,987.26/x
  3. Step 3: Cross multiply
    13,227.50x = 19,846.25 × 6,987.26
  4. Step 4: Simplify right side
    13,227.50x = 138,670,908.78
  5. Step 5: Solve for x
    x = 138,670,908.78/13,227.50
  6. Step 6: Final answer
    x = 10,483.53

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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.