Home / 13,563.36-20,355.98-7,330.41

Finding the Fourth Proportional to 13,563.36, 20,355.98 and 7,330.41

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Solution

The fourth proportional to 13,563.36, 20,355.98 and 7,330.41 is: 11,001.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.36 : 20,355.98 = 7,330.41 : x
  2. Step 2: Convert to fraction form
    13,563.36/20,355.98 = 7,330.41/x
  3. Step 3: Cross multiply
    13,563.36x = 20,355.98 × 7,330.41
  4. Step 4: Simplify right side
    13,563.36x = 149,217,642.70
  5. Step 5: Solve for x
    x = 149,217,642.70/13,563.36
  6. Step 6: Final answer
    x = 11,001.52

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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.