Home / 19,984.56-27,576.76-11,031.52

Finding the Fourth Proportional to 19,984.56, 27,576.76 and 11,031.52

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Solution

The fourth proportional to 19,984.56, 27,576.76 and 11,031.52 is: 15,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.56 : 27,576.76 = 11,031.52 : x
  2. Step 2: Convert to fraction form
    19,984.56/27,576.76 = 11,031.52/x
  3. Step 3: Cross multiply
    19,984.56x = 27,576.76 × 11,031.52
  4. Step 4: Simplify right side
    19,984.56x = 304,213,579.48
  5. Step 5: Solve for x
    x = 304,213,579.48/19,984.56
  6. Step 6: Final answer
    x = 15,222.43

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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.