Home / 13,230.58-19,822.92-8,025.52

Finding the Fourth Proportional to 13,230.58, 19,822.92 and 8,025.52

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Solution

The fourth proportional to 13,230.58, 19,822.92 and 8,025.52 is: 12,024.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.58 : 19,822.92 = 8,025.52 : x
  2. Step 2: Convert to fraction form
    13,230.58/19,822.92 = 8,025.52/x
  3. Step 3: Cross multiply
    13,230.58x = 19,822.92 × 8,025.52
  4. Step 4: Simplify right side
    13,230.58x = 159,089,240.92
  5. Step 5: Solve for x
    x = 159,089,240.92/13,230.58
  6. Step 6: Final answer
    x = 12,024.36

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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.