Home / 13,443.71-18,554.67-8,741.66

Finding the Fourth Proportional to 13,443.71, 18,554.67 and 8,741.66

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Solution

The fourth proportional to 13,443.71, 18,554.67 and 8,741.66 is: 12,065.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.71 : 18,554.67 = 8,741.66 : x
  2. Step 2: Convert to fraction form
    13,443.71/18,554.67 = 8,741.66/x
  3. Step 3: Cross multiply
    13,443.71x = 18,554.67 × 8,741.66
  4. Step 4: Simplify right side
    13,443.71x = 162,198,523.78
  5. Step 5: Solve for x
    x = 162,198,523.78/13,443.71
  6. Step 6: Final answer
    x = 12,065.02

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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.