Home / 19,402.82-29,081.45-19,195.05

Finding the Fourth Proportional to 19,402.82, 29,081.45 and 19,195.05

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Solution

The fourth proportional to 19,402.82, 29,081.45 and 19,195.05 is: 28,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.82 : 29,081.45 = 19,195.05 : x
  2. Step 2: Convert to fraction form
    19,402.82/29,081.45 = 19,195.05/x
  3. Step 3: Cross multiply
    19,402.82x = 29,081.45 × 19,195.05
  4. Step 4: Simplify right side
    19,402.82x = 558,219,935.89
  5. Step 5: Solve for x
    x = 558,219,935.89/19,402.82
  6. Step 6: Final answer
    x = 28,770.04

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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.