Home / 19,983.18-27,576.80-11,030.69

Finding the Fourth Proportional to 19,983.18, 27,576.80 and 11,030.69

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Solution

The fourth proportional to 19,983.18, 27,576.80 and 11,030.69 is: 15,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.18 : 27,576.80 = 11,030.69 : x
  2. Step 2: Convert to fraction form
    19,983.18/27,576.80 = 11,030.69/x
  3. Step 3: Cross multiply
    19,983.18x = 27,576.80 × 11,030.69
  4. Step 4: Simplify right side
    19,983.18x = 304,191,187.15
  5. Step 5: Solve for x
    x = 304,191,187.15/19,983.18
  6. Step 6: Final answer
    x = 15,222.36

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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.