Home / 19,492.23-29,241.42-8,402.05

Finding the Fourth Proportional to 19,492.23, 29,241.42 and 8,402.05

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Solution

The fourth proportional to 19,492.23, 29,241.42 and 8,402.05 is: 12,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492.23 : 29,241.42 = 8,402.05 : x
  2. Step 2: Convert to fraction form
    19,492.23/29,241.42 = 8,402.05/x
  3. Step 3: Cross multiply
    19,492.23x = 29,241.42 × 8,402.05
  4. Step 4: Simplify right side
    19,492.23x = 245,687,872.91
  5. Step 5: Solve for x
    x = 245,687,872.91/19,492.23
  6. Step 6: Final answer
    x = 12,604.40

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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.