Home / 13,467.08-18,593.04-8,688.80

Finding the Fourth Proportional to 13,467.08, 18,593.04 and 8,688.80

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Solution

The fourth proportional to 13,467.08, 18,593.04 and 8,688.80 is: 11,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.08 : 18,593.04 = 8,688.80 : x
  2. Step 2: Convert to fraction form
    13,467.08/18,593.04 = 8,688.80/x
  3. Step 3: Cross multiply
    13,467.08x = 18,593.04 × 8,688.80
  4. Step 4: Simplify right side
    13,467.08x = 161,551,205.95
  5. Step 5: Solve for x
    x = 161,551,205.95/13,467.08
  6. Step 6: Final answer
    x = 11,996.01

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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.