Home / 13,522.53-18,650.81-11,637.30

Finding the Fourth Proportional to 13,522.53, 18,650.81 and 11,637.30

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Solution

The fourth proportional to 13,522.53, 18,650.81 and 11,637.30 is: 16,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.53 : 18,650.81 = 11,637.30 : x
  2. Step 2: Convert to fraction form
    13,522.53/18,650.81 = 11,637.30/x
  3. Step 3: Cross multiply
    13,522.53x = 18,650.81 × 11,637.30
  4. Step 4: Simplify right side
    13,522.53x = 217,045,013.03
  5. Step 5: Solve for x
    x = 217,045,013.03/13,522.53
  6. Step 6: Final answer
    x = 16,050.62

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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.