Home / 19,983.31-27,576.97-11,030.81

Finding the Fourth Proportional to 19,983.31, 27,576.97 and 11,030.81

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Solution

The fourth proportional to 19,983.31, 27,576.97 and 11,030.81 is: 15,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.31 : 27,576.97 = 11,030.81 : x
  2. Step 2: Convert to fraction form
    19,983.31/27,576.97 = 11,030.81/x
  3. Step 3: Cross multiply
    19,983.31x = 27,576.97 × 11,030.81
  4. Step 4: Simplify right side
    19,983.31x = 304,196,261.29
  5. Step 5: Solve for x
    x = 304,196,261.29/19,983.31
  6. Step 6: Final answer
    x = 15,222.52

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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.