Home / 19,613.82-27,068.67-11,230.86

Finding the Fourth Proportional to 19,613.82, 27,068.67 and 11,230.86

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Solution

The fourth proportional to 19,613.82, 27,068.67 and 11,230.86 is: 15,499.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.82 : 27,068.67 = 11,230.86 : x
  2. Step 2: Convert to fraction form
    19,613.82/27,068.67 = 11,230.86/x
  3. Step 3: Cross multiply
    19,613.82x = 27,068.67 × 11,230.86
  4. Step 4: Simplify right side
    19,613.82x = 304,004,443.16
  5. Step 5: Solve for x
    x = 304,004,443.16/19,613.82
  6. Step 6: Final answer
    x = 15,499.50

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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.