Home / 17,516.80-26,260.40-8,151.98

Finding the Fourth Proportional to 17,516.80, 26,260.40 and 8,151.98

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Solution

The fourth proportional to 17,516.80, 26,260.40 and 8,151.98 is: 12,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,516.80 : 26,260.40 = 8,151.98 : x
  2. Step 2: Convert to fraction form
    17,516.80/26,260.40 = 8,151.98/x
  3. Step 3: Cross multiply
    17,516.80x = 26,260.40 × 8,151.98
  4. Step 4: Simplify right side
    17,516.80x = 214,074,255.59
  5. Step 5: Solve for x
    x = 214,074,255.59/17,516.80
  6. Step 6: Final answer
    x = 12,221.08

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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.