Home / 19,573.76-27,011.78-11,190.44

Finding the Fourth Proportional to 19,573.76, 27,011.78 and 11,190.44

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Solution

The fourth proportional to 19,573.76, 27,011.78 and 11,190.44 is: 15,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.76 : 27,011.78 = 11,190.44 : x
  2. Step 2: Convert to fraction form
    19,573.76/27,011.78 = 11,190.44/x
  3. Step 3: Cross multiply
    19,573.76x = 27,011.78 × 11,190.44
  4. Step 4: Simplify right side
    19,573.76x = 302,273,703.38
  5. Step 5: Solve for x
    x = 302,273,703.38/19,573.76
  6. Step 6: Final answer
    x = 15,442.80

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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.