Home / 14,413.89-21,621.69-4,025.64

Finding the Fourth Proportional to 14,413.89, 21,621.69 and 4,025.64

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Solution

The fourth proportional to 14,413.89, 21,621.69 and 4,025.64 is: 6,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.89 : 21,621.69 = 4,025.64 : x
  2. Step 2: Convert to fraction form
    14,413.89/21,621.69 = 4,025.64/x
  3. Step 3: Cross multiply
    14,413.89x = 21,621.69 × 4,025.64
  4. Step 4: Simplify right side
    14,413.89x = 87,041,140.13
  5. Step 5: Solve for x
    x = 87,041,140.13/14,413.89
  6. Step 6: Final answer
    x = 6,038.70

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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.