Home / 19,682.10-29,523.15-11,808.90

Finding the Fourth Proportional to 19,682.10, 29,523.15 and 11,808.90

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Solution

The fourth proportional to 19,682.10, 29,523.15 and 11,808.90 is: 17,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.10 : 29,523.15 = 11,808.90 : x
  2. Step 2: Convert to fraction form
    19,682.10/29,523.15 = 11,808.90/x
  3. Step 3: Cross multiply
    19,682.10x = 29,523.15 × 11,808.90
  4. Step 4: Simplify right side
    19,682.10x = 348,635,926.04
  5. Step 5: Solve for x
    x = 348,635,926.04/19,682.10
  6. Step 6: Final answer
    x = 17,713.35

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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.