Home / 13,590.93-20,384.20-3,727.90

Finding the Fourth Proportional to 13,590.93, 20,384.20 and 3,727.90

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Solution

The fourth proportional to 13,590.93, 20,384.20 and 3,727.90 is: 5,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.93 : 20,384.20 = 3,727.90 : x
  2. Step 2: Convert to fraction form
    13,590.93/20,384.20 = 3,727.90/x
  3. Step 3: Cross multiply
    13,590.93x = 20,384.20 × 3,727.90
  4. Step 4: Simplify right side
    13,590.93x = 75,990,259.18
  5. Step 5: Solve for x
    x = 75,990,259.18/13,590.93
  6. Step 6: Final answer
    x = 5,591.25

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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.