Home / 19,331.04-29,003.47-11,926.88

Finding the Fourth Proportional to 19,331.04, 29,003.47 and 11,926.88

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Solution

The fourth proportional to 19,331.04, 29,003.47 and 11,926.88 is: 17,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.04 : 29,003.47 = 11,926.88 : x
  2. Step 2: Convert to fraction form
    19,331.04/29,003.47 = 11,926.88/x
  3. Step 3: Cross multiply
    19,331.04x = 29,003.47 × 11,926.88
  4. Step 4: Simplify right side
    19,331.04x = 345,920,906.27
  5. Step 5: Solve for x
    x = 345,920,906.27/19,331.04
  6. Step 6: Final answer
    x = 17,894.58

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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.