Home / 19,896.88-27,461.60-11,404.70

Finding the Fourth Proportional to 19,896.88, 27,461.60 and 11,404.70

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Solution

The fourth proportional to 19,896.88, 27,461.60 and 11,404.70 is: 15,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.88 : 27,461.60 = 11,404.70 : x
  2. Step 2: Convert to fraction form
    19,896.88/27,461.60 = 11,404.70/x
  3. Step 3: Cross multiply
    19,896.88x = 27,461.60 × 11,404.70
  4. Step 4: Simplify right side
    19,896.88x = 313,191,309.52
  5. Step 5: Solve for x
    x = 313,191,309.52/19,896.88
  6. Step 6: Final answer
    x = 15,740.72

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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.