Home / 26,045.80-39,059.10-8,516.20

Finding the Fourth Proportional to 26,045.80, 39,059.10 and 8,516.20

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Solution

The fourth proportional to 26,045.80, 39,059.10 and 8,516.20 is: 12,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,045.80 : 39,059.10 = 8,516.20 : x
  2. Step 2: Convert to fraction form
    26,045.80/39,059.10 = 8,516.20/x
  3. Step 3: Cross multiply
    26,045.80x = 39,059.10 × 8,516.20
  4. Step 4: Simplify right side
    26,045.80x = 332,635,107.42
  5. Step 5: Solve for x
    x = 332,635,107.42/26,045.80
  6. Step 6: Final answer
    x = 12,771.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.