Home / 13,532.06-18,682.45-8,824.55

Finding the Fourth Proportional to 13,532.06, 18,682.45 and 8,824.55

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Solution

The fourth proportional to 13,532.06, 18,682.45 and 8,824.55 is: 12,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.06 : 18,682.45 = 8,824.55 : x
  2. Step 2: Convert to fraction form
    13,532.06/18,682.45 = 8,824.55/x
  3. Step 3: Cross multiply
    13,532.06x = 18,682.45 × 8,824.55
  4. Step 4: Simplify right side
    13,532.06x = 164,864,098.67
  5. Step 5: Solve for x
    x = 164,864,098.67/13,532.06
  6. Step 6: Final answer
    x = 12,183.22

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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.