Home / 19,342.60-29,016.90-8,249.32

Finding the Fourth Proportional to 19,342.60, 29,016.90 and 8,249.32

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Solution

The fourth proportional to 19,342.60, 29,016.90 and 8,249.32 is: 12,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.60 : 29,016.90 = 8,249.32 : x
  2. Step 2: Convert to fraction form
    19,342.60/29,016.90 = 8,249.32/x
  3. Step 3: Cross multiply
    19,342.60x = 29,016.90 × 8,249.32
  4. Step 4: Simplify right side
    19,342.60x = 239,369,693.51
  5. Step 5: Solve for x
    x = 239,369,693.51/19,342.60
  6. Step 6: Final answer
    x = 12,375.26

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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.