Home / 13,962.66-19,285.20-10,179.78

Finding the Fourth Proportional to 13,962.66, 19,285.20 and 10,179.78

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Solution

The fourth proportional to 13,962.66, 19,285.20 and 10,179.78 is: 14,060.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.66 : 19,285.20 = 10,179.78 : x
  2. Step 2: Convert to fraction form
    13,962.66/19,285.20 = 10,179.78/x
  3. Step 3: Cross multiply
    13,962.66x = 19,285.20 × 10,179.78
  4. Step 4: Simplify right side
    13,962.66x = 196,319,093.26
  5. Step 5: Solve for x
    x = 196,319,093.26/13,962.66
  6. Step 6: Final answer
    x = 14,060.29

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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.