Home / 13,142.36-19,714.30-5,346.92

Finding the Fourth Proportional to 13,142.36, 19,714.30 and 5,346.92

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Solution

The fourth proportional to 13,142.36, 19,714.30 and 5,346.92 is: 8,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142.36 : 19,714.30 = 5,346.92 : x
  2. Step 2: Convert to fraction form
    13,142.36/19,714.30 = 5,346.92/x
  3. Step 3: Cross multiply
    13,142.36x = 19,714.30 × 5,346.92
  4. Step 4: Simplify right side
    13,142.36x = 105,410,784.96
  5. Step 5: Solve for x
    x = 105,410,784.96/13,142.36
  6. Step 6: Final answer
    x = 8,020.69

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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.