Home / 13,371.07-20,076.31-7,459.50

Finding the Fourth Proportional to 13,371.07, 20,076.31 and 7,459.50

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Solution

The fourth proportional to 13,371.07, 20,076.31 and 7,459.50 is: 11,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.07 : 20,076.31 = 7,459.50 : x
  2. Step 2: Convert to fraction form
    13,371.07/20,076.31 = 7,459.50/x
  3. Step 3: Cross multiply
    13,371.07x = 20,076.31 × 7,459.50
  4. Step 4: Simplify right side
    13,371.07x = 149,759,234.45
  5. Step 5: Solve for x
    x = 149,759,234.45/13,371.07
  6. Step 6: Final answer
    x = 11,200.25

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1.5x scale

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.