Home / 15,650.63-21,597.89-8,576.90

Finding the Fourth Proportional to 15,650.63, 21,597.89 and 8,576.90

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Solution

The fourth proportional to 15,650.63, 21,597.89 and 8,576.90 is: 11,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,650.63 : 21,597.89 = 8,576.90 : x
  2. Step 2: Convert to fraction form
    15,650.63/21,597.89 = 8,576.90/x
  3. Step 3: Cross multiply
    15,650.63x = 21,597.89 × 8,576.90
  4. Step 4: Simplify right side
    15,650.63x = 185,242,791.87
  5. Step 5: Solve for x
    x = 185,242,791.87/15,650.63
  6. Step 6: Final answer
    x = 11,836.13

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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.