Home / 11,838.40-17,669.81-10,250.02

Finding the Fourth Proportional to 11,838.40, 17,669.81 and 10,250.02

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Solution

The fourth proportional to 11,838.40, 17,669.81 and 10,250.02 is: 15,299.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.40 : 17,669.81 = 10,250.02 : x
  2. Step 2: Convert to fraction form
    11,838.40/17,669.81 = 10,250.02/x
  3. Step 3: Cross multiply
    11,838.40x = 17,669.81 × 10,250.02
  4. Step 4: Simplify right side
    11,838.40x = 181,115,905.90
  5. Step 5: Solve for x
    x = 181,115,905.90/11,838.40
  6. Step 6: Final answer
    x = 15,299.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.