Home / 19,913.67-27,481.59-10,961.55

Finding the Fourth Proportional to 19,913.67, 27,481.59 and 10,961.55

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Solution

The fourth proportional to 19,913.67, 27,481.59 and 10,961.55 is: 15,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.67 : 27,481.59 = 10,961.55 : x
  2. Step 2: Convert to fraction form
    19,913.67/27,481.59 = 10,961.55/x
  3. Step 3: Cross multiply
    19,913.67x = 27,481.59 × 10,961.55
  4. Step 4: Simplify right side
    19,913.67x = 301,240,685.46
  5. Step 5: Solve for x
    x = 301,240,685.46/19,913.67
  6. Step 6: Final answer
    x = 15,127.34

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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.