Home / 19,668.38-27,115.82-19,056.86

Finding the Fourth Proportional to 19,668.38, 27,115.82 and 19,056.86

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Solution

The fourth proportional to 19,668.38, 27,115.82 and 19,056.86 is: 26,272.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.38 : 27,115.82 = 19,056.86 : x
  2. Step 2: Convert to fraction form
    19,668.38/27,115.82 = 19,056.86/x
  3. Step 3: Cross multiply
    19,668.38x = 27,115.82 × 19,056.86
  4. Step 4: Simplify right side
    19,668.38x = 516,742,385.53
  5. Step 5: Solve for x
    x = 516,742,385.53/19,668.38
  6. Step 6: Final answer
    x = 26,272.75

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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.