Home / 22,576.45-31,153.11-12,504.64

Finding the Fourth Proportional to 22,576.45, 31,153.11 and 12,504.64

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Solution

The fourth proportional to 22,576.45, 31,153.11 and 12,504.64 is: 17,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,576.45 : 31,153.11 = 12,504.64 : x
  2. Step 2: Convert to fraction form
    22,576.45/31,153.11 = 12,504.64/x
  3. Step 3: Cross multiply
    22,576.45x = 31,153.11 × 12,504.64
  4. Step 4: Simplify right side
    22,576.45x = 389,558,269.66
  5. Step 5: Solve for x
    x = 389,558,269.66/22,576.45
  6. Step 6: Final answer
    x = 17,255.08

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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.