Home / 15,650.13-21,597.72-8,576.49

Finding the Fourth Proportional to 15,650.13, 21,597.72 and 8,576.49

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Solution

The fourth proportional to 15,650.13, 21,597.72 and 8,576.49 is: 11,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,650.13 : 21,597.72 = 8,576.49 : x
  2. Step 2: Convert to fraction form
    15,650.13/21,597.72 = 8,576.49/x
  3. Step 3: Cross multiply
    15,650.13x = 21,597.72 × 8,576.49
  4. Step 4: Simplify right side
    15,650.13x = 185,232,629.60
  5. Step 5: Solve for x
    x = 185,232,629.60/15,650.13
  6. Step 6: Final answer
    x = 11,835.85

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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.