Home / 19,621.01-29,413.58-8,523.70

Finding the Fourth Proportional to 19,621.01, 29,413.58 and 8,523.70

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Solution

The fourth proportional to 19,621.01, 29,413.58 and 8,523.70 is: 12,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.01 : 29,413.58 = 8,523.70 : x
  2. Step 2: Convert to fraction form
    19,621.01/29,413.58 = 8,523.70/x
  3. Step 3: Cross multiply
    19,621.01x = 29,413.58 × 8,523.70
  4. Step 4: Simplify right side
    19,621.01x = 250,712,415.69
  5. Step 5: Solve for x
    x = 250,712,415.69/19,621.01
  6. Step 6: Final answer
    x = 12,777.75

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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.