Home / 13,585.77-20,377.67-3,724.27

Finding the Fourth Proportional to 13,585.77, 20,377.67 and 3,724.27

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Solution

The fourth proportional to 13,585.77, 20,377.67 and 3,724.27 is: 5,586.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.77 : 20,377.67 = 3,724.27 : x
  2. Step 2: Convert to fraction form
    13,585.77/20,377.67 = 3,724.27/x
  3. Step 3: Cross multiply
    13,585.77x = 20,377.67 × 3,724.27
  4. Step 4: Simplify right side
    13,585.77x = 75,891,926.43
  5. Step 5: Solve for x
    x = 75,891,926.43/13,585.77
  6. Step 6: Final answer
    x = 5,586.13

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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.