Home / 16,413.60-24,620.40-4,727.20

Finding the Fourth Proportional to 16,413.60, 24,620.40 and 4,727.20

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Solution

The fourth proportional to 16,413.60, 24,620.40 and 4,727.20 is: 7,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,413.60 : 24,620.40 = 4,727.20 : x
  2. Step 2: Convert to fraction form
    16,413.60/24,620.40 = 4,727.20/x
  3. Step 3: Cross multiply
    16,413.60x = 24,620.40 × 4,727.20
  4. Step 4: Simplify right side
    16,413.60x = 116,385,554.88
  5. Step 5: Solve for x
    x = 116,385,554.88/16,413.60
  6. Step 6: Final answer
    x = 7,090.80

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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.