Home / 13,226.08-18,245.04-10,076.80

Finding the Fourth Proportional to 13,226.08, 18,245.04 and 10,076.80

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Solution

The fourth proportional to 13,226.08, 18,245.04 and 10,076.80 is: 13,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.08 : 18,245.04 = 10,076.80 : x
  2. Step 2: Convert to fraction form
    13,226.08/18,245.04 = 10,076.80/x
  3. Step 3: Cross multiply
    13,226.08x = 18,245.04 × 10,076.80
  4. Step 4: Simplify right side
    13,226.08x = 183,851,619.07
  5. Step 5: Solve for x
    x = 183,851,619.07/13,226.08
  6. Step 6: Final answer
    x = 13,900.69

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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.