Home / 13,575.24-20,382.30-10,076.04

Finding the Fourth Proportional to 13,575.24, 20,382.30 and 10,076.04

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Solution

The fourth proportional to 13,575.24, 20,382.30 and 10,076.04 is: 15,128.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.24 : 20,382.30 = 10,076.04 : x
  2. Step 2: Convert to fraction form
    13,575.24/20,382.30 = 10,076.04/x
  3. Step 3: Cross multiply
    13,575.24x = 20,382.30 × 10,076.04
  4. Step 4: Simplify right side
    13,575.24x = 205,372,870.09
  5. Step 5: Solve for x
    x = 205,372,870.09/13,575.24
  6. Step 6: Final answer
    x = 15,128.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.