Home / 12,940.08-17,860.44-12,064.56

Finding the Fourth Proportional to 12,940.08, 17,860.44 and 12,064.56

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Solution

The fourth proportional to 12,940.08, 17,860.44 and 12,064.56 is: 16,652.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940.08 : 17,860.44 = 12,064.56 : x
  2. Step 2: Convert to fraction form
    12,940.08/17,860.44 = 12,064.56/x
  3. Step 3: Cross multiply
    12,940.08x = 17,860.44 × 12,064.56
  4. Step 4: Simplify right side
    12,940.08x = 215,478,350.01
  5. Step 5: Solve for x
    x = 215,478,350.01/12,940.08
  6. Step 6: Final answer
    x = 16,652.01

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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.