Home / 13,555.22-18,706.01-8,246.27

Finding the Fourth Proportional to 13,555.22, 18,706.01 and 8,246.27

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Solution

The fourth proportional to 13,555.22, 18,706.01 and 8,246.27 is: 11,379.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555.22 : 18,706.01 = 8,246.27 : x
  2. Step 2: Convert to fraction form
    13,555.22/18,706.01 = 8,246.27/x
  3. Step 3: Cross multiply
    13,555.22x = 18,706.01 × 8,246.27
  4. Step 4: Simplify right side
    13,555.22x = 154,254,814.62
  5. Step 5: Solve for x
    x = 154,254,814.62/13,555.22
  6. Step 6: Final answer
    x = 11,379.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.