Home / 19,983.17-27,576.63-10,908.50

Finding the Fourth Proportional to 19,983.17, 27,576.63 and 10,908.50

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Solution

The fourth proportional to 19,983.17, 27,576.63 and 10,908.50 is: 15,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.17 : 27,576.63 = 10,908.50 : x
  2. Step 2: Convert to fraction form
    19,983.17/27,576.63 = 10,908.50/x
  3. Step 3: Cross multiply
    19,983.17x = 27,576.63 × 10,908.50
  4. Step 4: Simplify right side
    19,983.17x = 300,819,530.47
  5. Step 5: Solve for x
    x = 300,819,530.47/19,983.17
  6. Step 6: Final answer
    x = 15,053.65

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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.