Home / 13,586.22-20,382.27-4,226.07

Finding the Fourth Proportional to 13,586.22, 20,382.27 and 4,226.07

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Solution

The fourth proportional to 13,586.22, 20,382.27 and 4,226.07 is: 6,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.22 : 20,382.27 = 4,226.07 : x
  2. Step 2: Convert to fraction form
    13,586.22/20,382.27 = 4,226.07/x
  3. Step 3: Cross multiply
    13,586.22x = 20,382.27 × 4,226.07
  4. Step 4: Simplify right side
    13,586.22x = 86,136,899.78
  5. Step 5: Solve for x
    x = 86,136,899.78/13,586.22
  6. Step 6: Final answer
    x = 6,340.02

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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.