Home / 19,489.08-29,233.62-6,342.78

Finding the Fourth Proportional to 19,489.08, 29,233.62 and 6,342.78

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Solution

The fourth proportional to 19,489.08, 29,233.62 and 6,342.78 is: 9,514.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.08 : 29,233.62 = 6,342.78 : x
  2. Step 2: Convert to fraction form
    19,489.08/29,233.62 = 6,342.78/x
  3. Step 3: Cross multiply
    19,489.08x = 29,233.62 × 6,342.78
  4. Step 4: Simplify right side
    19,489.08x = 185,422,420.26
  5. Step 5: Solve for x
    x = 185,422,420.26/19,489.08
  6. Step 6: Final answer
    x = 9,514.17

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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.