Home / 13,466.62-18,522.12-10,808.20

Finding the Fourth Proportional to 13,466.62, 18,522.12 and 10,808.20

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Solution

The fourth proportional to 13,466.62, 18,522.12 and 10,808.20 is: 14,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.62 : 18,522.12 = 10,808.20 : x
  2. Step 2: Convert to fraction form
    13,466.62/18,522.12 = 10,808.20/x
  3. Step 3: Cross multiply
    13,466.62x = 18,522.12 × 10,808.20
  4. Step 4: Simplify right side
    13,466.62x = 200,190,777.38
  5. Step 5: Solve for x
    x = 200,190,777.38/13,466.62
  6. Step 6: Final answer
    x = 14,865.70

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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.