Home / 18,113.03-27,169.65-8,245.41

Finding the Fourth Proportional to 18,113.03, 27,169.65 and 8,245.41

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Solution

The fourth proportional to 18,113.03, 27,169.65 and 8,245.41 is: 12,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.03 : 27,169.65 = 8,245.41 : x
  2. Step 2: Convert to fraction form
    18,113.03/27,169.65 = 8,245.41/x
  3. Step 3: Cross multiply
    18,113.03x = 27,169.65 × 8,245.41
  4. Step 4: Simplify right side
    18,113.03x = 224,024,801.92
  5. Step 5: Solve for x
    x = 224,024,801.92/18,113.03
  6. Step 6: Final answer
    x = 12,368.16

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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.