Home / 13,371.32-20,076.69-7,459.75

Finding the Fourth Proportional to 13,371.32, 20,076.69 and 7,459.75

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Solution

The fourth proportional to 13,371.32, 20,076.69 and 7,459.75 is: 11,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.32 : 20,076.69 = 7,459.75 : x
  2. Step 2: Convert to fraction form
    13,371.32/20,076.69 = 7,459.75/x
  3. Step 3: Cross multiply
    13,371.32x = 20,076.69 × 7,459.75
  4. Step 4: Simplify right side
    13,371.32x = 149,767,088.23
  5. Step 5: Solve for x
    x = 149,767,088.23/13,371.32
  6. Step 6: Final answer
    x = 11,200.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.