Home / 12,803.46-19,179.54-10,175.28

Finding the Fourth Proportional to 12,803.46, 19,179.54 and 10,175.28

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Solution

The fourth proportional to 12,803.46, 19,179.54 and 10,175.28 is: 15,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803.46 : 19,179.54 = 10,175.28 : x
  2. Step 2: Convert to fraction form
    12,803.46/19,179.54 = 10,175.28/x
  3. Step 3: Cross multiply
    12,803.46x = 19,179.54 × 10,175.28
  4. Step 4: Simplify right side
    12,803.46x = 195,157,189.77
  5. Step 5: Solve for x
    x = 195,157,189.77/12,803.46
  6. Step 6: Final answer
    x = 15,242.54

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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.