Home / 14,520.60-20,025.23-9,483.21

Finding the Fourth Proportional to 14,520.60, 20,025.23 and 9,483.21

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Solution

The fourth proportional to 14,520.60, 20,025.23 and 9,483.21 is: 13,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.60 : 20,025.23 = 9,483.21 : x
  2. Step 2: Convert to fraction form
    14,520.60/20,025.23 = 9,483.21/x
  3. Step 3: Cross multiply
    14,520.60x = 20,025.23 × 9,483.21
  4. Step 4: Simplify right side
    14,520.60x = 189,903,413.97
  5. Step 5: Solve for x
    x = 189,903,413.97/14,520.60
  6. Step 6: Final answer
    x = 13,078.21

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1.5x scale

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.