Home / 19,575.25-27,013.85-11,191.75

Finding the Fourth Proportional to 19,575.25, 27,013.85 and 11,191.75

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Solution

The fourth proportional to 19,575.25, 27,013.85 and 11,191.75 is: 15,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.25 : 27,013.85 = 11,191.75 : x
  2. Step 2: Convert to fraction form
    19,575.25/27,013.85 = 11,191.75/x
  3. Step 3: Cross multiply
    19,575.25x = 27,013.85 × 11,191.75
  4. Step 4: Simplify right side
    19,575.25x = 302,332,255.74
  5. Step 5: Solve for x
    x = 302,332,255.74/19,575.25
  6. Step 6: Final answer
    x = 15,444.62

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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.