Home / 20,576.63-28,369.95-16,795.96

Finding the Fourth Proportional to 20,576.63, 28,369.95 and 16,795.96

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Solution

The fourth proportional to 20,576.63, 28,369.95 and 16,795.96 is: 23,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,576.63 : 28,369.95 = 16,795.96 : x
  2. Step 2: Convert to fraction form
    20,576.63/28,369.95 = 16,795.96/x
  3. Step 3: Cross multiply
    20,576.63x = 28,369.95 × 16,795.96
  4. Step 4: Simplify right side
    20,576.63x = 476,500,411.49
  5. Step 5: Solve for x
    x = 476,500,411.49/20,576.63
  6. Step 6: Final answer
    x = 23,157.36

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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.