Home / 13,573.44-18,733.68-7,985.52

Finding the Fourth Proportional to 13,573.44, 18,733.68 and 7,985.52

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Solution

The fourth proportional to 13,573.44, 18,733.68 and 7,985.52 is: 11,021.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.44 : 18,733.68 = 7,985.52 : x
  2. Step 2: Convert to fraction form
    13,573.44/18,733.68 = 7,985.52/x
  3. Step 3: Cross multiply
    13,573.44x = 18,733.68 × 7,985.52
  4. Step 4: Simplify right side
    13,573.44x = 149,598,176.31
  5. Step 5: Solve for x
    x = 149,598,176.31/13,573.44
  6. Step 6: Final answer
    x = 11,021.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.