Home / 19,177.33-28,776.33-8,091.70

Finding the Fourth Proportional to 19,177.33, 28,776.33 and 8,091.70

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Solution

The fourth proportional to 19,177.33, 28,776.33 and 8,091.70 is: 12,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.33 : 28,776.33 = 8,091.70 : x
  2. Step 2: Convert to fraction form
    19,177.33/28,776.33 = 8,091.70/x
  3. Step 3: Cross multiply
    19,177.33x = 28,776.33 × 8,091.70
  4. Step 4: Simplify right side
    19,177.33x = 232,849,429.46
  5. Step 5: Solve for x
    x = 232,849,429.46/19,177.33
  6. Step 6: Final answer
    x = 12,141.91

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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.