Home / 19,575.46-27,009.45-11,189.86

Finding the Fourth Proportional to 19,575.46, 27,009.45 and 11,189.86

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Solution

The fourth proportional to 19,575.46, 27,009.45 and 11,189.86 is: 15,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.46 : 27,009.45 = 11,189.86 : x
  2. Step 2: Convert to fraction form
    19,575.46/27,009.45 = 11,189.86/x
  3. Step 3: Cross multiply
    19,575.46x = 27,009.45 × 11,189.86
  4. Step 4: Simplify right side
    19,575.46x = 302,231,964.18
  5. Step 5: Solve for x
    x = 302,231,964.18/19,575.46
  6. Step 6: Final answer
    x = 15,439.33

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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.