Home / 19,404.16-29,032.43-11,990.23

Finding the Fourth Proportional to 19,404.16, 29,032.43 and 11,990.23

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Solution

The fourth proportional to 19,404.16, 29,032.43 and 11,990.23 is: 17,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,404.16 : 29,032.43 = 11,990.23 : x
  2. Step 2: Convert to fraction form
    19,404.16/29,032.43 = 11,990.23/x
  3. Step 3: Cross multiply
    19,404.16x = 29,032.43 × 11,990.23
  4. Step 4: Simplify right side
    19,404.16x = 348,105,380.63
  5. Step 5: Solve for x
    x = 348,105,380.63/19,404.16
  6. Step 6: Final answer
    x = 17,939.73

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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.