Home / 19,490.64-29,236.32-6,342.96

Finding the Fourth Proportional to 19,490.64, 29,236.32 and 6,342.96

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Solution

The fourth proportional to 19,490.64, 29,236.32 and 6,342.96 is: 9,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.64 : 29,236.32 = 6,342.96 : x
  2. Step 2: Convert to fraction form
    19,490.64/29,236.32 = 6,342.96/x
  3. Step 3: Cross multiply
    19,490.64x = 29,236.32 × 6,342.96
  4. Step 4: Simplify right side
    19,490.64x = 185,444,808.31
  5. Step 5: Solve for x
    x = 185,444,808.31/19,490.64
  6. Step 6: Final answer
    x = 9,514.56

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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.