Home / 13,466.96-18,593.28-8,689.04

Finding the Fourth Proportional to 13,466.96, 18,593.28 and 8,689.04

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Solution

The fourth proportional to 13,466.96, 18,593.28 and 8,689.04 is: 11,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.96 : 18,593.28 = 8,689.04 : x
  2. Step 2: Convert to fraction form
    13,466.96/18,593.28 = 8,689.04/x
  3. Step 3: Cross multiply
    13,466.96x = 18,593.28 × 8,689.04
  4. Step 4: Simplify right side
    13,466.96x = 161,557,753.65
  5. Step 5: Solve for x
    x = 161,557,753.65/13,466.96
  6. Step 6: Final answer
    x = 11,996.60

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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.