Home / 14,720.54-20,312.37-8,750.03

Finding the Fourth Proportional to 14,720.54, 20,312.37 and 8,750.03

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Solution

The fourth proportional to 14,720.54, 20,312.37 and 8,750.03 is: 12,073.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.54 : 20,312.37 = 8,750.03 : x
  2. Step 2: Convert to fraction form
    14,720.54/20,312.37 = 8,750.03/x
  3. Step 3: Cross multiply
    14,720.54x = 20,312.37 × 8,750.03
  4. Step 4: Simplify right side
    14,720.54x = 177,733,745.31
  5. Step 5: Solve for x
    x = 177,733,745.31/14,720.54
  6. Step 6: Final answer
    x = 12,073.86

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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.