Home / 15,233.55-21,031.38-9,573.09

Finding the Fourth Proportional to 15,233.55, 21,031.38 and 9,573.09

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Solution

The fourth proportional to 15,233.55, 21,031.38 and 9,573.09 is: 13,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,233.55 : 21,031.38 = 9,573.09 : x
  2. Step 2: Convert to fraction form
    15,233.55/21,031.38 = 9,573.09/x
  3. Step 3: Cross multiply
    15,233.55x = 21,031.38 × 9,573.09
  4. Step 4: Simplify right side
    15,233.55x = 201,335,293.56
  5. Step 5: Solve for x
    x = 201,335,293.56/15,233.55
  6. Step 6: Final answer
    x = 13,216.57

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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.