Home / 19,567.20-27,000.72-11,609.76

Finding the Fourth Proportional to 19,567.20, 27,000.72 and 11,609.76

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Solution

The fourth proportional to 19,567.20, 27,000.72 and 11,609.76 is: 16,020.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,567.20 : 27,000.72 = 11,609.76 : x
  2. Step 2: Convert to fraction form
    19,567.20/27,000.72 = 11,609.76/x
  3. Step 3: Cross multiply
    19,567.20x = 27,000.72 × 11,609.76
  4. Step 4: Simplify right side
    19,567.20x = 313,471,879.03
  5. Step 5: Solve for x
    x = 313,471,879.03/19,567.20
  6. Step 6: Final answer
    x = 16,020.27

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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.